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333 relations: Acanthocephala, Acoustic shadow, Aetiocetidae, Aetiocetus, Aglaocetus, Alkali, American Museum of Natural History, Amphipoda, Anatomical terms of location, Ancient Greek, Animal consciousness, Animal echolocation, Anisakis, Antarctic, Antarctic Circumpolar Current, Antarctic minke whale, Anti-whaling, Aphotic zone, Aquatic feeding mechanisms, Archaebalaenoptera, Archaeoceti, Arctic, Aristotle, Artery, Arytenoid cartilage, Ashorocetus, Atlantic Ocean, Australia, Autopsy, Bait ball, Bait fish, Baja California Peninsula, Baja California Sur, Balaena, Balaenella, Balaenidae, Balaenoptera, Balaenotus, Balaenula, Baleen, Beaked whale, Benthic zone, Biofilm, Blood cell, Blood vessel, Blowhole (anatomy), Blubber, Blue whale, Blue whale penis, Bowhead whale, ..., Brain-to-body mass ratio, Brandtocetus, Bryde's whale, Bycatch, Callus, Canine tooth, Carnivore, Cephalotropis, Cerebellum, Cerebrum, Cervical vertebrae, Cestoda, Cetacea, Cetacean stranding, Cetotheriidae, Cetotheriophanes, Cetotheriopsis, Cetotherium, Chonecetus, Circumpolar peoples, Cladogenesis, Climate change, Cochlea, Commensalism, Common minke whale, Compass, Conchoderma, Cone cell, Connective tissue, Cookiecutter shark, Copepod, Cophocetus, Core (anatomy), Coronodon, Corset, Countercurrent exchange, Courtship display, Crinoline, Crustacean, Data deficient, Dentition, Dermis, Diatom, Diorocetus, Diunatans, DNA, Dolphin, Drag (physics), Dusky shark, Eardrum, Embolism, Endangered species, Enzyme, Eobalaenoptera, Eocene, Eomysticetidae, Eomysticetus, Epidermis, Eschrichtiidae, Eschrichtioides, Esophagus, Eucetotherium, Even-toed ungulate, Evolutionary radiation, Extinction, Family (biology), Fasting, Fibrocartilage, Filter feeder, Fin whale, Flipper (anatomy), Fucaia, Functional extinction, Gastrointestinal tract, Genetics, Giglioli's Whale, Gray whale, Greenpeace, Gut flora, Harpoon, Harpoon cannon, Heart rate, Herentalia, Herpetocetus, Hertz, Heterodont, History of Animals, History of Basque whaling, Horopeta, Humpback whale, Hydrochloric acid, Hydroxylapatite, Idiocetus, Incertae sedis, Incisor, Intermediate filament, Internal auditory meatus, International Court of Justice, International Fund for Animal Welfare, International Union for Conservation of Nature, International Whaling Commission, Inuit, Invertebrate, Iron oxide, Isocetus, IUCN Red List endangered species (Animalia), Janjucetus, Joumocetus, Keratin, Killer whale, Krill, Kurdalagonus, Larva, Larynx, Latin, Lek mating, Lens (anatomy), Limb (anatomy), Lineage (evolution), Liver fluke, Living fossil, Llanocetus, Lung volumes, Mammalodon, Mammalodontidae, Mandible, Mandibular symphysis, Marina del Rey, California, Marine mammal, Marine mammals and sonar, Marine pollution, Mauicetus, Maxilla, Mediterranean Sea, Megalodon, Melon (cetacean), Mesocetus, Mesonychid, Metopocetus, Middle Miocene, Mineral, Miocaperea, Miocene, Mirror test, Mithridatocetus, Mixocetus, Molar (tooth), Molecular phylogenetics, Morawanocetus, Morenocetus, Morphology (biology), Myoglobin, Myr, Mystacodon, Nannocetus, Nasal septum, National Museum of Natural History (France), Navel, Nematode, Neontology, Neutralization (chemistry), New Bedford, Massachusetts, Newfoundland and Labrador, Nomen dubium, North Atlantic right whale, North Magnetic Pole, North Pacific right whale, North Sea, Numazu, Ocean acidification, Ogg, Ojo de Liebre Lagoon, Olfactory bulb, Olfactory tract, Oligocene, Omura's whale, Order (biology), Otter, Pair bond, Palate, Parabalaenoptera, Paranasal sinuses, Parietobalaena, Pelocetidae, Pelocetus, Penis, Peripolocetus, Pheromone, Photic zone, Phylogenetic tree, Pigment, Pinniped, Pinocetus, Piscobalaena, Plankton, Plesiobalaenoptera, Plesiocetus, Polychlorinated biphenyl, Polygyny in animals, Porpoise, Precocial, Premolar, Promiscuity, Protororqualus, Pupil, Pygmy right whale, R/K selection theory, Range (biology), Red blood cell, Reproductive success, Respiratory tract, Rete mirabile, Retina, Right whale, Rorqual, Rostrum (anatomy), Salt (chemistry), Sardine run, Sea of Japan, Sea of Okhotsk, Sea turtle, SeaWorld San Diego, Sebaceous gland, Sei whale, Sexual dimorphism, Sexual maturity, Sitsqwayk, Skull, Society for Marine Mammalogy, Solor, Southern Hemisphere, Southern Ocean Whale Sanctuary, Southern right whale, Spindle neuron, Stone Age, Subcutaneous tissue, Sweat gland, Symphysis, Synonym (taxonomy), Systematic name, Tapetum lucidum, Taste, Tectonics, Tempo, Testicle, Theory of mind, Titanocetus, Tiucetus, Tohoraata, Tokarahia, Tokyo Institute of Technology, Toothed whale, Tranatocetus, Transitional fossil, Trophic level, Tympanic part of the temporal bone, Unihemispheric slow-wave sleep, United Nations, United States dollar, Urine, Vampalus, Ventricle (heart), Vestigiality, Victoria (Australia), Vocal folds, Vomeronasal organ, Waharoa (whale), Whakakai, Whale, Whale barnacle, Whale louse, Whale meat, Whale oil, Whale vocalization, Whale watching, Whaling, Whiskers, White blood cell, Willungacetus, Wool, Year, Zygiocetus, Zygophyseter. Expand index (283 more) »
Acanthocephala
Acanthocephala (Greek ἄκανθος, akanthos, thorn + κεφαλή, kephale, head) is a phylum of parasitic worms known as acanthocephalans, thorny-headed worms, or spiny-headed worms, characterized by the presence of an eversible proboscis, armed with spines, which it uses to pierce and hold the gut wall of its host.
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Acoustic shadow
An acoustic shadow or sound shadow is an area through which sound waves fail to propagate, due to topographical obstructions or disruption of the waves via phenomena such as wind currents, buildings, or sound barriers.
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Aetiocetidae
Aetiocetidae is an extinct family of toothed baleen whales known from the Oligocene.
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Aetiocetus
Aetiocetus is a genus of extinct basal mysticete, or baleen whale that lived, in the late Oligocene in the North Pacific ocean, around Japan, Mexico, and Oregon, U.S. It was first described by Douglas Emlong in 1966 and currently contains known four species, A. cotylalveus, A. polydentatus, A. tomitai, and A. weltoni.
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Aglaocetus
Aglaocetus is a genus of extinct mysticete known from the Miocene of Patagonia, the US Eastern Seaboard, Japan and the Low Countries.
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Alkali
In chemistry, an alkali (from Arabic: al-qaly “ashes of the saltwort”) is a basic, ionic salt of an alkali metal or alkaline earth metal chemical element.
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American Museum of Natural History
The American Museum of Natural History (abbreviated as AMNH), located on the Upper West Side of Manhattan, New York City, is one of the largest museums in the world.
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Amphipoda
Amphipoda is an order of malacostracan crustaceans with no carapace and generally with laterally compressed bodies.
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Anatomical terms of location
Standard anatomical terms of location deal unambiguously with the anatomy of animals, including humans.
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Ancient Greek
The Ancient Greek language includes the forms of Greek used in ancient Greece and the ancient world from around the 9th century BC to the 6th century AD.
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Animal consciousness
Animal consciousness, or animal awareness, is the quality or state of self-awareness within an animal, or of being aware of an external object or something within itself.
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Animal echolocation
Echolocation, also called bio sonar, is the biological sonar used by several kinds of animals.
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Anisakis
Anisakis is a genus of parasitic nematodes which have lifecycles involving fish and marine mammals.
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Antarctic
The Antarctic (US English, UK English or and or) is a polar region around the Earth's South Pole, opposite the Arctic region around the North Pole.
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Antarctic Circumpolar Current
The Antarctic Circumpolar Current (ACC) is an ocean current that flows clockwise from west to east around Antarctica.
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Antarctic minke whale
The Antarctic minke whale or southern minke whale (Balaenoptera bonaerensis) is a species of minke whale within the suborder of baleen whales.
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Anti-whaling
Anti-whaling refers to actions taken by those who seek to end whaling in various forms, whether locally or globally in the pursuit of marine conservation.
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Aphotic zone
The aphotic zone (aphotic from Greek prefix ἀ- + φῶς "without light") is the portion of a lake or ocean where there is little or no sunlight.
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Aquatic feeding mechanisms
Aquatic feeding mechanisms face a special difficulty as compared to feeding on land, because the density of water is about the same as that of the prey, so the prey tends to be pushed away when the mouth is closed.
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Archaebalaenoptera
Archaebalaenoptera is a genus of extinct rorqual from the Pliocene (Piacenzian) of northern Italy.
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Archaeoceti
Archaeoceti ("ancient whales"), or Zeuglodontes in older literature, is a paraphyletic group of primitive cetaceans that lived from the Early Eocene to the late Oligocene.
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Arctic
The Arctic is a polar region located at the northernmost part of Earth.
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Aristotle
Aristotle (Ἀριστοτέλης Aristotélēs,; 384–322 BC) was an ancient Greek philosopher and scientist born in the city of Stagira, Chalkidiki, in the north of Classical Greece.
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Artery
An artery (plural arteries) is a blood vessel that takes blood away from the heart to all parts of the body (tissues, lungs, etc).
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Arytenoid cartilage
The arytenoid cartilages are a pair of small three-sided pyramids which form part of the larynx, to which the vocal folds (vocal cords) are attached.
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Ashorocetus
Ashorocetus is a monotypic genus of an extinct primitive baleen whale of the family Aetiocetidae.
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Atlantic Ocean
The Atlantic Ocean is the second largest of the world's oceans with a total area of about.
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Australia
Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.
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Autopsy
An autopsy (post-mortem examination, obduction, necropsy, or autopsia cadaverum) is a highly specialized surgical procedure that consists of a thorough examination of a corpse by dissection to determine the cause and manner of death or to evaluate any disease or injury that may be present for research or educational purposes.
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Bait ball
A bait ball, or baitball, occurs when small fish swarm in a tightly packed spherical formation about a common centre.
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Bait fish
Feeder Goldfish are common baitfish. Bait fish are small fish caught for use as bait to attract large predatory fish, particularly game fish.
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Baja California Peninsula
The Baja California Peninsula (Lower California Peninsula, Península de Baja California) is a peninsula in Northwestern Mexico.
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Baja California Sur
Baja California Sur, (South Lower California), officially the Free and Sovereign State of Baja California Sur (Estado Libre y Soberano de Baja California Sur), is the second-smallest Mexican state by population and the 31st admitted state of the 31 states which, with Mexico City, make up the 32 Federal Entities of Mexico.
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Balaena
Balaena is a genus of cetacean (whale) in the family Balaenidae.
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Balaenella
Balaenella is an extinct genus of balaenid from the early Pliocene of the vicinity of Antwerp, Belgium.
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Balaenidae
Balaenidae is a family of whales of the parvorder Mysticeti that contains two living genera.
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Balaenoptera
Balaenoptera, from the Latin balaena (whale) and Ancient Greek pteron (fin), is a genus of Balaenopteridae, the rorquals, and contains eight extant species.
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Balaenotus
Balaenotus is an extinct genus of cetaceans from the Pliocene of Belgium.
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Balaenula
Balaenula is an extinct genus of cetacean.
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Baleen
Baleen is a filter-feeder system inside the mouths of baleen whales.
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Beaked whale
Beaked whales are the members of the family Ziphiidae, which consists of 23 species.
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Benthic zone
The benthic zone is the ecological region at the lowest level of a body of water such as an ocean or a lake, including the sediment surface and some sub-surface layers.
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Biofilm
A biofilm comprises any group of microorganisms in which cells stick to each other and often also to a surface.
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Blood cell
A blood cell, also called a haematopoietic cell, hemocyte, or hematocyte, is a cell produced through hematopoiesis and found mainly in the blood.
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Blood vessel
The blood vessels are the part of the circulatory system, and microcirculation, that transports blood throughout the human body.
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Blowhole (anatomy)
In cetology, a blowhole is the hole at the top of a cetacean's head through which the animal breathes air.
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Blubber
Blubber is a thick layer of vascularized adipose tissue under the skin of all cetaceans, pinnipeds and sirenians.
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Blue whale
The blue whale (Balaenoptera musculus) is a marine mammal belonging to the baleen whale parvorder, Mysticeti.
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Blue whale penis
The blue whale has the largest penis in the animal kingdom.
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Bowhead whale
The bowhead whale (Balaena mysticetus) is a species of the family Balaenidae, in suborder Mysticeti, and genus Balaena, which once included the right whale.
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Brain-to-body mass ratio
Brain-to-body mass ratio, also known as the brain-to-body weight ratio, is the ratio of brain mass to body mass, which is hypothesized to be a rough estimate of the intelligence of an animal, although fairly inaccurate in many cases.
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Brandtocetus
Brandtocetus is a genus of cetotheriid mysticete in the subfamily Cetotheriinae.
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Bryde's whale
Bryde's whale or the Bryde's whale complex putatively comprises two species of rorqual and maybe three.
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Bycatch
Bycatch, in the fishing industry, is a fish or other marine species that is caught unintentionally while catching certain target species and target sizes of fish, crabs etc.
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Callus
A callus is an area of thickened skin that forms as a response to repeated friction, pressure, or other irritation.
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Canine tooth
In mammalian oral anatomy, the canine teeth, also called cuspids, dog teeth, fangs, or (in the case of those of the upper jaw) eye teeth, are relatively long, pointed teeth.
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Carnivore
A carnivore, meaning "meat eater" (Latin, caro, genitive carnis, meaning "meat" or "flesh" and vorare meaning "to devour"), is an organism that derives its energy and nutrient requirements from a diet consisting mainly or exclusively of animal tissue, whether through predation or scavenging.
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Cephalotropis
Cephalotropis is a genus of baleen whale belonging to the extinct family Cetotheriidae.
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Cerebellum
The cerebellum (Latin for "little brain") is a major feature of the hindbrain of all vertebrates.
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Cerebrum
The cerebrum is a large part of the brain containing the cerebral cortex (of the two cerebral hemispheres), as well as several subcortical structures, including the hippocampus, basal ganglia, and olfactory bulb.
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Cervical vertebrae
In vertebrates, cervical vertebrae (singular: vertebra) are the vertebrae of the neck, immediately below the skull.
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Cestoda
Cestoda is a class of parasitic worms in the flatworm (Platyhelminthes) phylum, commonly known as tapeworms.
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Cetacea
Cetacea are a widely distributed and diverse clade of aquatic mammals that today consists of the whales, dolphins, and porpoises.
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Cetacean stranding
Cetacean stranding, commonly known as beaching, is a phenomenon in which whales and dolphins strand themselves on land, usually on a beach.
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Cetotheriidae
Cetotheriidae is a family of baleen whales (suborder Mysticeti).
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Cetotheriophanes
Cetotheriophanes is an extinct rorqual from the late Pliocene (Piacenzian) of northern Italy.
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Cetotheriopsis
Cetotheriopsis is a genus of extinct cetaceans of the family Cetotheriopsidae.
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Cetotherium
Cetotherium ("whale beast") is an extinct genus of Baleen Whale whales from the family Cetotheriidae.
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Chonecetus
Chonecetus is an extinct genus of primitive baleen whale of the family Aetiocetidae that lived in the Oligocene period.
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Circumpolar peoples
Circumpolar peoples and Arctic peoples are umbrella terms for the various indigenous peoples of the Arctic.
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Cladogenesis
Cladogenesis is an evolutionary splitting event where a parent species splits into two distinct species, forming a clade.
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Climate change
Climate change is a change in the statistical distribution of weather patterns when that change lasts for an extended period of time (i.e., decades to millions of years).
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Cochlea
The cochlea is the part of the inner ear involved in hearing.
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Commensalism
Commensalism is a long term biological interaction (symbiosis) in which members of one species gain benefits while those of the other species are neither benefited nor harmed.
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Common minke whale
The common minke whale or northern minke whale (Balaenoptera acutorostrata) is a species of minke whale within the suborder of baleen whales.
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Compass
A compass is an instrument used for navigation and orientation that shows direction relative to the geographic cardinal directions (or points).
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Conchoderma
Conchoderma is a genus of goose barnacles in the family Lepadidae, containing the following species.
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Cone cell
Cone cells, or cones, are one of three types of photoreceptor cells in the retina of mammalian eyes (e.g. the human eye).
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Connective tissue
Connective tissue (CT) is one of the four basic types of animal tissue, along with epithelial tissue, muscle tissue, and nervous tissue.
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Cookiecutter shark
The cookiecutter shark (Isistius brasiliensis), also called the cigar shark, is a species of small dogfish shark in the family Dalatiidae.
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Copepod
Copepods (meaning "oar-feet") are a group of small crustaceans found in the sea and nearly every freshwater habitat.
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Cophocetus
Cophocetus is an extinct genus of baleen whale known from Miocene-aged marine strata in Oregon, North America.
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Core (anatomy)
In common parlance, the core of the body is broadly considered to be the torso.
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Coronodon
Coronodon is a genus of toothed mysticetes from the Early Oligocene Ashley Formation of South Carolina.
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Corset
A corset is a garment worn to hold and train the torso into a desired shape, traditionally a smaller waist or larger bottom, for aesthetic or medical purposes (either for the duration of wearing it or with a more lasting effect).
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Countercurrent exchange
Countercurrent exchange is a mechanism occurring in nature and mimicked in industry and engineering, in which there is a crossover of some property, usually heat or some component, between two flowing bodies flowing in opposite directions to each other.
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Courtship display
A courtship display is a set of display behaviors in which an animal attempts to attract a mate and exhibit their desire to copulate.
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Crinoline
A crinoline is a stiffened or structured petticoat designed to hold out a woman's skirt, popular at various times since the mid-19th century.
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Crustacean
Crustaceans (Crustacea) form a large, diverse arthropod taxon which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill, woodlice, and barnacles.
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Data deficient
A data deficient (DD) species is one which has been categorised by the International Union for Conservation of Nature as offering insufficient information for a proper assessment of conservation status to be made.
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Dentition
Dentition pertains to the development of teeth and their arrangement in the mouth.
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Dermis
The dermis or corium is a layer of skin between the epidermis (with which it makes up the cutis) and subcutaneous tissues, that primarily consists of dense irregular connective tissue and cushions the body from stress and strain.
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Diatom
Diatoms (diá-tom-os "cut in half", from diá, "through" or "apart"; and the root of tém-n-ō, "I cut".) are a major group of microorganisms found in the oceans, waterways and soils of the world.
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Diorocetus
Diorocetus is an extinct genus of baleen whale, belonging to the family Pelocetidae.
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Diunatans
Diunatans is an extinct genus of rorqual.
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DNA
Deoxyribonucleic acid (DNA) is a thread-like chain of nucleotides carrying the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.
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Dolphin
Dolphins are a widely distributed and diverse group of aquatic mammals.
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Drag (physics)
In fluid dynamics, drag (sometimes called air resistance, a type of friction, or fluid resistance, another type of friction or fluid friction) is a force acting opposite to the relative motion of any object moving with respect to a surrounding fluid.
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Dusky shark
The dusky shark (Carcharhinus obscurus) is a species of requiem shark, in the family Carcharhinidae, occurring in tropical and warm-temperate continental seas worldwide.
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Eardrum
In the anatomy of humans and various other tetrapods, the eardrum, also called the tympanic membrane or myringa, is a thin, cone-shaped membrane that separates the external ear from the middle ear.
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Embolism
An embolism is the lodging of an embolus, a blockage-causing piece of material, inside a blood vessel.
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Endangered species
An endangered species is a species which has been categorized as very likely to become extinct.
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Enzyme
Enzymes are macromolecular biological catalysts.
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Eobalaenoptera
Eobalaenoptera harrisoni is an extinct species of baleen whale.
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Eocene
The Eocene Epoch, lasting from, is a major division of the geologic timescale and the second epoch of the Paleogene Period in the Cenozoic Era.
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Eomysticetidae
Eomysticetidae is a family of extinct mysticetes belonging to Chaeomysticeti (toothless mysticetes).
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Eomysticetus
Eomysticetus is an extinct genus of toothless baleen whale from the late Oligocene (Chattian) Chandler Bridge Formation of South Carolina.
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Epidermis
The epidermis is the outer layer of the three layers that make up the skin, the inner layers being the dermis and hypodermis.
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Eschrichtiidae
Eschrichtiidae or the gray whales is a family of baleen whale (suborder Mysticeti) with a single extant species, the gray whale (Eschrichtius robustus).
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Eschrichtioides
Eschrichtioides is an extinct genus of eschrichtiid known from the early Pliocene of northern Italy.
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Esophagus
The esophagus (American English) or oesophagus (British English), commonly known as the food pipe or gullet (gut), is an organ in vertebrates through which food passes, aided by peristaltic contractions, from the pharynx to the stomach.
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Eucetotherium
Eucetotherium is a genus of cetotheriid mysticete from Miocene (Tortonian) marine deposits in the Russian Caucasus.
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Even-toed ungulate
The even-toed ungulates (Artiodactyla) are ungulates (hoofed animals) whose weight is borne equally by the third and fourth toes.
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Evolutionary radiation
An evolutionary radiation is an increase in taxonomic diversity or morphological disparity, due to adaptive change or the opening of ecospace.
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Extinction
In biology, extinction is the termination of an organism or of a group of organisms (taxon), normally a species.
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Family (biology)
In biological classification, family (familia, plural familiae) is one of the eight major taxonomic ranks; it is classified between order and genus.
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Fasting
Fasting is the willing abstinence or reduction from some or all food, drink, or both, for a period of time.
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Fibrocartilage
White fibrocartilage consists of a mixture of white fibrous tissue and cartilaginous tissue in various proportions.
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Filter feeder
Filter feeders are a sub-group of suspension feeding animals that feed by straining suspended matter and food particles from water, typically by passing the water over a specialized filtering structure.
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Fin whale
The fin whale (Balaenoptera physalus), also known as finback whale or common rorqual and formerly known as herring whale or razorback whale, is a marine mammal belonging to the parvorder of baleen whales.
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Flipper (anatomy)
A flipper is a typically flat forelimb evolved for movement through water.
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Fucaia
Fucaia is an extinct genus of primitive baleen whale belonging to the family Aetiocetidae that is known from Oligocene marine deposits found in Vancouver Island, Canada and Olympic Island, Washington State.
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Functional extinction
Functional extinction is the extinction of a species or other taxon such that.
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Gastrointestinal tract
The gastrointestinal tract (digestive tract, digestional tract, GI tract, GIT, gut, or alimentary canal) is an organ system within humans and other animals which takes in food, digests it to extract and absorb energy and nutrients, and expels the remaining waste as feces.
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Genetics
Genetics is the study of genes, genetic variation, and heredity in living organisms.
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Giglioli's Whale
Giglioli's Whale (Amphiptera pacifica) is a purported species of whale observed by Enrico Hillyer Giglioli.
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Gray whale
The gray whale (Eschrichtius robustus), also known as the grey whale,Britannica Micro.: v. IV, p. 693.
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Greenpeace
Greenpeace is a non-governmental environmental organization with offices in over 39 countries and with an international coordinating body in Amsterdam, the Netherlands.
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Gut flora
Gut flora, or gut microbiota, or gastrointestinal microbiota, is the complex community of microorganisms that live in the digestive tracts of humans and other animals, including insects.
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Harpoon
A harpoon is a long spear-like instrument used in fishing, whaling, sealing, and other marine hunting to catch large fish or marine mammals such as whales.
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Harpoon cannon
A harpoon cannon is a whaling implement developed in the late 19th century and most used in the 20th century.
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Heart rate
Heart rate is the speed of the heartbeat measured by the number of contractions of the heart per minute (bpm).
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Herentalia
Herentalia is a genus of cetotheriid mysticete in the subfamily Herpetocetinae.
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Herpetocetus
Herpetocetus is a genus of cetotheriid mysticete in the subfamily Herpetocetinae.
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Hertz
The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.
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Heterodont
In anatomy, a heterodont (from Greek, meaning "different teeth") is an animal which possesses more than a single tooth morphology.
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History of Animals
History of Animals (Τῶν περὶ τὰ ζῷα ἱστοριῶν, Ton peri ta zoia historion, "Inquiries on Animals"; Historia Animālium "History of Animals") is one of the major texts on biology by the ancient Greek philosopher Aristotle, who had studied at Plato's Academy in Athens.
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History of Basque whaling
The Basques were among the first to catch whales commercially, as opposed to aboriginal whaling, and dominated the trade for five centuries, spreading to the far corners of the North Atlantic and even reaching the South Atlantic.
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Horopeta
Horopeta is a genus of baleen whale from the Late Oligocene (Chattian) Kokoamu Greensand of New Zealand.
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Humpback whale
The humpback whale (Megaptera novaeangliae) is a species of baleen whale.
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Hydrochloric acid
Hydrochloric acid is a colorless inorganic chemical system with the formula.
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Hydroxylapatite
Hydroxylapatite, also called hydroxyapatite (HA), is a naturally occurring mineral form of calcium apatite with the formula Ca5(PO4)3(OH), but is usually written Ca10(PO4)6(OH)2 to denote that the crystal unit cell comprises two entities.
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Idiocetus
Idiocetus ("unique whale") is a genus of extinct cetaceans of the family Balaenidae.
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Incertae sedis
Incertae sedis (Latin for "of uncertain placement") is a term used for a taxonomic group where its broader relationships are unknown or undefined.
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Incisor
Incisors (from Latin incidere, "to cut") are the front teeth present in most mammals.
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Intermediate filament
Intermediate filaments (IFs) are cytoskeletal components found in the cells of vertebrate animal species, and perhaps also in other animals, fungi, plants, and unicellular organisms.
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Internal auditory meatus
The internal auditory meatus (also meatus acusticus internus, internal acoustic meatus, internal auditory canal, or internal acoustic canal) is a canal within the petrous part of the temporal bone of the skull between the posterior cranial fossa and the inner ear.
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International Court of Justice
The International Court of Justice (abbreviated ICJ; commonly referred to as the World Court) is the principal judicial organ of the United Nations (UN).
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International Fund for Animal Welfare
The International Fund for Animal Welfare (IFAW) is one of the largest animal welfare and conservation charities in the world.
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International Union for Conservation of Nature
The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natural resources.
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International Whaling Commission
The International Whaling Commission (IWC) is an international body set up by the terms of the International Convention for the Regulation of Whaling (ICRW), which was signed in Washington, D.C., United States, on December 2, 1946 to "provide for the proper conservation of whale stocks and thus make possible the orderly development of the whaling industry".
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Inuit
The Inuit (ᐃᓄᐃᑦ, "the people") are a group of culturally similar indigenous peoples inhabiting the Arctic regions of Greenland, Canada and Alaska.
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Invertebrate
Invertebrates are animals that neither possess nor develop a vertebral column (commonly known as a backbone or spine), derived from the notochord.
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Iron oxide
Iron oxides are chemical compounds composed of iron and oxygen.
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Isocetus
Isocetus is an extinct genus of baleen whale belonging to the clade Thalassotherii.
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IUCN Red List endangered species (Animalia)
On 29 January 2010, the IUCN Red List of Threatened Species identified 2754 endangered species, subspecies.
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Janjucetus
Janjucetus is an extinct genus of cetacean, and a basal baleen whale (Mysticeti), from the Late Oligocene around 25 million years ago (mya) off southeast Australia, containing one species J. hunderi.
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Joumocetus
Joumocetus is a genus of extinct baleen whale in the family Cetotheriidae containing the single species Joumocetus shimizui.
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Keratin
Keratin is one of a family of fibrous structural proteins.
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Killer whale
| status.
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Krill
Krill are small crustaceans of the order Euphausiacea, and are found in all the world's oceans.
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Kurdalagonus
Kurdalagonus is a genus of cetotheriid mysticete in the subfamily Cetotheriinae from the Miocene of the Russian Caucasus.
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Larva
A larva (plural: larvae) is a distinct juvenile form many animals undergo before metamorphosis into adults.
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Larynx
The larynx, commonly called the voice box, is an organ in the top of the neck of tetrapods involved in breathing, producing sound, and protecting the trachea against food aspiration.
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Latin
Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.
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Lek mating
A lek, from the Swedish word for "play", is an aggregation of male animals gathered to engage in competitive displays, lekking, to entice visiting females which are surveying prospective partners for copulation.
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Lens (anatomy)
The lens is a transparent, biconvex structure in the eye that, along with the cornea, helps to refract light to be focused on the retina.
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Limb (anatomy)
A limb (from the Old English lim), or extremity, is a jointed, or prehensile (as octopus arms or new world monkey tails), appendage of the human or other animal body.
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Lineage (evolution)
An evolutionary lineage is a temporal series of organisms, populations, cells, or genes connected by a continuous line of descent from ancestor to descendent.
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Liver fluke
Liver fluke is a collective name of a polyphyletic group of parasitic trematodes under the phylum Platyhelminthes.
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Living fossil
A living fossil is an extant taxon that closely resembles organisms otherwise known only from the fossil record.
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Llanocetus
Llanocetus (“Llano's whale”) is a genus of extinct baleen whales from the Priabonian (Late Eocene) of Antarctica.
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Lung volumes
Lung volumes and lung capacities refer to the volume of air associated with different phases of the respiratory cycle.
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Mammalodon
Mammalodon is an extinct genus of archaic baleen whale belonging to the family Mammalodontidae.
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Mammalodontidae
Mammalodontidae is a family of extinct whales known from the Oligocene of Australia and New Zealand.
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Mandible
The mandible, lower jaw or jawbone is the largest, strongest and lowest bone in the human face.
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Mandibular symphysis
In the facial skeleton of the skull the external surface of the mandible is marked in the median line by a faint ridge, indicating the mandibular symphysis, or symphysis menti, or line of junction where the two lateral halves of the mandible fused at an early period of life.
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Marina del Rey, California
Marina del Rey is an unincorporated seaside community and census-designated place (CDP) in Los Angeles County, California, United States.
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Marine mammal
Marine mammals are aquatic mammals that rely on the ocean and other marine ecosystems for their existence.
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Marine mammals and sonar
Active sonar, the transmission equipment used on some ships to assist with navigation, is detrimental to the health and livelihood of some marine animals.
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Marine pollution
Marine pollution occurs when harmful, or potentially harmful, effects result from the entry into the ocean of chemicals, particles, industrial, agricultural, and residential waste, noise, or the spread of invasive organisms.
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Mauicetus
Mauicetus is a genus of extinct baleen whale from the Late Oligocene of New Zealand.
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Maxilla
The maxilla (plural: maxillae) in animals is the upper jawbone formed from the fusion of two maxillary bones.
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Mediterranean Sea
The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Southern Europe and Anatolia, on the south by North Africa and on the east by the Levant.
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Megalodon
Megalodon (Carcharocles megalodon), meaning "big tooth", is an extinct species of shark that lived approximately 23 to 2.6 million years ago (mya), during the Early Miocene to the end of the Pliocene.
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Melon (cetacean)
The melon is a mass of adipose tissue found in the forehead of all toothed whales.
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Mesocetus
Mesocetus is an extinct genus of baleen whale from the Miocene of Antwerp, Belgium.
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Mesonychid
Mesonychia ("middle claws") is an extinct taxon of small- to large-sized carnivorous ungulates related to the cetartiodactyls.
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Metopocetus
Metopocetus is an extinct genus of baleen whale belonging to the family Cetotheriidae.
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Middle Miocene
The Middle Miocene is a sub-epoch of the Miocene Epoch made up of two stages: the Langhian and Serravallian stages.
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Mineral
A mineral is a naturally occurring chemical compound, usually of crystalline form and not produced by life processes.
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Miocaperea
Miocaperea is an extinct genus of pygmy right whale from the Late Miocene Pisco Formation of Peru.
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Miocene
The Miocene is the first geological epoch of the Neogene Period and extends from about (Ma).
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Mirror test
The mirror test, sometimes called the mark test, mirror self-recognition test (MSR), red spot technique or rouge test is a behavioural technique developed in 1970 by psychologist Gordon Gallup Jr. as an attempt to determine whether a non-human animal possesses the ability of visual self-recognition.
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Mithridatocetus
Mithridatocetus is a genus of cetotheriid mysticete in the subfamily Cetotheriinae.
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Mixocetus
Mixocetus is a genus of extinct baleen whale belonging to the family Tranatocetidae.
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Molar (tooth)
The molars or molar teeth are large, flat teeth at the back of the mouth.
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Molecular phylogenetics
Molecular phylogenetics is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominately in DNA sequences, to gain information on an organism's evolutionary relationships.
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Morawanocetus
Morawanocetus is a genus of extinct primitive baleen whale from the family Aetiocetidae that existed during the Chattian epoch of the late Oligocene period.
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Morenocetus
Morenocetus is an extinct genus of primitive balaenid from the early Micoene Burdigalian of Argentina.
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Morphology (biology)
Morphology is a branch of biology dealing with the study of the form and structure of organisms and their specific structural features.
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Myoglobin
Myoglobin (symbol Mb or MB) is an iron- and oxygen-binding protein found in the muscle tissue of vertebrates in general and in almost all mammals.
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Myr
The abbreviation myr, "million years", is a unit of a quantity of (i.e.) years, or 31.6 teraseconds.
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Mystacodon
Mystacodon is a genus of toothed mysticete from the Late Eocene Yumaque Formation of Peru.
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Nannocetus
Nannocetus is an extinct baleen whale belonging to the family Cetotheriidae.
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Nasal septum
The nasal septum separates the left and right airways in the nose, dividing the two nostrils.
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National Museum of Natural History (France)
The French National Museum of Natural History, known in French as the (abbreviation MNHN), is the national natural history museum of France and a grand établissement of higher education part of Sorbonne Universities.
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Navel
The navel (clinically known as the umbilicus, colloquially known as the belly button, or tummy button) is a hollowed or sometimes raised area on the abdomen at the attachment site of the umbilical cord.
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Nematode
The nematodes or roundworms constitute the phylum Nematoda (also called Nemathelminthes).
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Neontology
Neontology is a part of biology that, in contrast to paleontology, deals with living (or, more generally, recent) organisms.
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Neutralization (chemistry)
In chemistry, neutralization or neutralisation (see spelling differences), is a chemical reaction in which an acid and a base react quantitatively with each other.
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New Bedford, Massachusetts
New Bedford is a city in Bristol County, Massachusetts, United States.
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Newfoundland and Labrador
Newfoundland and Labrador (Terre-Neuve-et-Labrador; Akamassiss; Newfoundland Irish: Talamh an Éisc agus Labradar) is the most easterly province of Canada.
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Nomen dubium
In zoological nomenclature, a nomen dubium (Latin for "doubtful name", plural nomina dubia) is a scientific name that is of unknown or doubtful application.
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North Atlantic right whale
The North Atlantic right whale (Eubalaena glacialis, which means "good, or true, whale of the ice") is a baleen whale, one of three right whale species belonging to the genus Eubalaena, all of which were formerly classified as a single species.
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North Magnetic Pole
The North Magnetic Pole is the wandering point on the surface of Earth's Northern Hemisphere at which the planet's magnetic field points vertically downwards (in other words, if a magnetic compass needle is allowed to rotate about a horizontal axis, it will point straight down).
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North Pacific right whale
The North Pacific right whale (Eubalaena japonica) is a very large, thickset baleen whale species that is extremely rare and endangered.
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North Sea
The North Sea (Mare Germanicum) is a marginal sea of the Atlantic Ocean located between Great Britain, Scandinavia, Germany, the Netherlands, Belgium, and France.
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Numazu
is a city located in eastern Shizuoka Prefecture, Japan.
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Ocean acidification
Ocean acidification is the ongoing decrease in the pH of the Earth's oceans, caused by the uptake of carbon dioxide from the atmosphere.
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Ogg
Ogg is a free, open container format maintained by the Xiph.Org Foundation.
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Ojo de Liebre Lagoon
Ojo de Liebre Lagoon (formerly known as Scammon's Lagoon), translated into English as "hare eye lagoon", is a coastal lagoon located in Mulegé Municipality near the town of Guerrero Negro in the northwestern Baja California Sur state of Mexico.
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Olfactory bulb
The olfactory bulb (bulbus olfactorius) is a neural structure of the vertebrate forebrain involved in olfaction, the sense of smell.
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Olfactory tract
The olfactory tract is a bundle of afferent nerve fibers from the mitral and tufted cells of the olfactory bulb that connects to several target regions in the brain, including the piriform cortex, amygdala, and entorhinal cortex.
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Oligocene
The Oligocene is a geologic epoch of the Paleogene Period and extends from about 33.9 million to 23 million years before the present (to). As with other older geologic periods, the rock beds that define the epoch are well identified but the exact dates of the start and end of the epoch are slightly uncertain.
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Omura's whale
Omura's whale or the dwarf fin whale (Balaenoptera omurai) is a species of rorqual about which very little is known.
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Order (biology)
In biological classification, the order (ordo) is.
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Otter
Otters are carnivorous mammals in the subfamily Lutrinae.
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Pair bond
In biology, a pair bond is the strong affinity that develops in some species between a pair consisting of a male and female, or in some cases as a same-sex pairing, potentially leading to producing offspring and/or a lifelong bond.
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Palate
The palate is the roof of the mouth in humans and other mammals.
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Parabalaenoptera
Parabalaenoptera is a genus of prehistoric baleen whale found in Marin County, California.
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Paranasal sinuses
Paranasal sinuses are a group of four paired air-filled spaces that surround the nasal cavity.
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Parietobalaena
Parietobalaena is an extinct genus of baleen whale, belonging to the family Pelocetidae.
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Pelocetidae
Pelocetidae is an extinct family of baleen whales.
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Pelocetus
Pelocetus is an extinct genus of baleen whale, belonging to the family Pelocetidae.
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Penis
A penis (plural penises or penes) is the primary sexual organ that male animals use to inseminate sexually receptive mates (usually females and hermaphrodites) during copulation.
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Peripolocetus
Peripolocetus is a genus of balaenid baleen whale from the middle Miocene of Kern County, California.
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Pheromone
A pheromone (from Ancient Greek φέρω phero "to bear" and hormone, from Ancient Greek ὁρμή "impetus") is a secreted or excreted chemical factor that triggers a social response in members of the same species.
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Photic zone
The photic zone, euphotic zone (Greek for "well lit": εὖ "well" + φῶς "light"), or sunlight or (sunlit) zone is the uppermost layer of water in a lake or ocean that is exposed to intense sunlight.
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Phylogenetic tree
A phylogenetic tree or evolutionary tree is a branching diagram or "tree" showing the evolutionary relationships among various biological species or other entities—their phylogeny—based upon similarities and differences in their physical or genetic characteristics.
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Pigment
A pigment is a material that changes the color of reflected or transmitted light as the result of wavelength-selective absorption.
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Pinniped
Pinnipeds, commonly known as seals, are a widely distributed and diverse clade of carnivorous, fin-footed, semiaquatic marine mammals.
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Pinocetus
Pinocetus is an extinct genus of baleen whale, belonging to the family Cetotheriidae.
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Piscobalaena
Piscobalaena is an extinct genus of cetaceans, which lived from the Middle to Late Miocene epochs (about 11.6 to 5.3 million years ago) in Peru and Florida.
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Plankton
Plankton (singular plankter) are the diverse collection of organisms that live in large bodies of water and are unable to swim against a current.
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Plesiobalaenoptera
Plesiobalaenoptera is a genus of extinct rorqual which existed in Italy during the late Miocene epoch.
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Plesiocetus
Plesiocetus is a genus of extinct balaenopterids found worldwide.
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Polychlorinated biphenyl
A polychlorinated biphenyl (PCB) is an organic chlorine compound with the formula C12H10−xClx.
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Polygyny in animals
Polygyny (from Neo-Greek πολυγυνία from πολύ- poly- "many", and γυνή gyne "woman" or "wife") is a mating system in which one male lives and mates with multiple females, but each female only mates with a single male.
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Porpoise
Porpoises are a group of fully aquatic marine mammals that are sometimes referred to as mereswine, all of which are classified under the family Phocoenidae, parvorder Odontoceti (toothed whales).
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Precocial
In biology, precocial species are those in which the young are relatively mature and mobile from the moment of birth or hatching.
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Premolar
The premolar teeth, or bicuspids, are transitional teeth located between the canine and molar teeth.
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Promiscuity
Promiscuity is the practice of having casual sex frequently with different partners or being indiscriminate in the choice of sexual partners.
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Protororqualus
Protororqualus is a genus of extinct rorqual from the late Pliocene (Piacenzian) of Mount Pulgnasco, Italy (paleocoordinates). The analysis made by identified Protororqualus as a late representative of the rorquals which survived in the Mediterranean at least until the late Pliocene.
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Pupil
The pupil is a hole located in the center of the iris of the eye that allows light to strike the retina.
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Pygmy right whale
The pygmy right whale (Caperea marginata) is a member of the cetotheres, a family of baleen whales, which until 2012 were thought to be extinct; previously C. marginata was considered the sole member of the family Neobalaenidae.
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R/K selection theory
In ecology, r/K selection theory relates to the selection of combinations of traits in an organism that trade off between quantity and quality of offspring.
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Range (biology)
In biology, the range of a species is the geographical area within which that species can be found.
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Red blood cell
Red blood cells-- also known as RBCs, red cells, red blood corpuscles, haematids, erythroid cells or erythrocytes (from Greek erythros for "red" and kytos for "hollow vessel", with -cyte translated as "cell" in modern usage), are the most common type of blood cell and the vertebrate's principal means of delivering oxygen (O2) to the body tissues—via blood flow through the circulatory system.
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Reproductive success
Reproductive success is defined as the passing of genes onto the next generation in a way that they too can pass on those genes.
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Respiratory tract
In humans, the respiratory tract is the part of the anatomy of the respiratory system involved with the process of respiration.
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Rete mirabile
A rete mirabile (Latin for "wonderful net"; plural retia mirabilia) is a complex of arteries and veins lying very close to each other, found in some vertebrates, mainly warm-blooded ones.
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Retina
The retina is the innermost, light-sensitive "coat", or layer, of shell tissue of the eye of most vertebrates and some molluscs.
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Right whale
Right whales or black whales are three species of large baleen whales of the genus Eubalaena: the North Atlantic right whale (E. glacialis), the North Pacific right whale (E. japonica) and the Southern right whale (E. australis).
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Rorqual
Rorquals (Balaenopteridae) are the largest group of baleen whales, a family with nine extant species in two genera.
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Rostrum (anatomy)
In anatomy, the term rostrum (from the Latin rostrum meaning beak) is used for a number of phylogenetically unrelated structures in different groups of animals.
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Salt (chemistry)
In chemistry, a salt is an ionic compound that can be formed by the neutralization reaction of an acid and a base.
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Sardine run
The sardine run of southern Africa occurs from May through July when billions of sardines – or more specifically the Southern African pilchard Sardinops sagax – spawn in the cool waters of the Agulhas Bank and move northward along the east coast of South Africa.
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Sea of Japan
The Sea of Japan (see below for other names) is a marginal sea between the Japanese archipelago, Sakhalin, the Korean Peninsula and Russia.
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Sea of Okhotsk
The Sea of Okhotsk (Ohōtsuku-kai) is a marginal sea of the western Pacific Ocean, between the Kamchatka Peninsula on the east, the Kuril Islands on the southeast, the island of Hokkaido to the south, the island of Sakhalin along the west, and a long stretch of eastern Siberian coast along the west and north.
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Sea turtle
Sea turtles (superfamily Chelonioidea), sometimes called marine turtles, are reptiles of the order Testudines.
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SeaWorld San Diego
SeaWorld San Diego is an animal theme park, oceanarium, outside aquarium, and marine mammal park, located in San Diego, California, United States, inside the city's Mission Bay Park.
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Sebaceous gland
Sebaceous glands are microscopic exocrine glands in the skin that secrete an oily or waxy matter, called sebum, to lubricate and waterproof the skin and hair of mammals.
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Sei whale
The sei whale (Balaenoptera borealis) is a baleen whale, the third-largest rorqual after the blue whale and the fin whale.
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Sexual dimorphism
Sexual dimorphism is the condition where the two sexes of the same species exhibit different characteristics beyond the differences in their sexual organs.
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Sexual maturity
Sexual maturity is the capability of an organism to reproduce.
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Sitsqwayk
Sitsqwayk is a genus of baleen whale from Late Oligocene (Chattian) marine deposits in Washington State.
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Skull
The skull is a bony structure that forms the head in vertebrates.
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Society for Marine Mammalogy
The Society for Marine Mammalogy was founded in 1981 and is the largest international association of marine mammal scientists in the world.
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Solor
Solor is a volcanic island located off the eastern tip of Flores island in the Lesser Sunda Islands of Indonesia, in the Solor Archipelago.
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Southern Hemisphere
The Southern Hemisphere is the half of Earth that is south of the Equator.
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Southern Ocean Whale Sanctuary
The Southern Ocean Whale Sanctuary is an area of 50 million square kilometres surrounding the continent of Antarctica where the International Whaling Commission (IWC) has banned all types of commercial whaling.
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Southern right whale
The southern right whale (Eubalaena australis) is a baleen whale, one of three species classified as right whales belonging to the genus Eubalaena.
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Spindle neuron
Spindle neurons, also called von Economo neurons (VENs), are a specific class of neurons that are characterized by a large spindle-shaped soma (or body), gradually tapering into a single apical axon in one direction, with only a single dendrite facing opposite.
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Stone Age
The Stone Age was a broad prehistoric period during which stone was widely used to make implements with an edge, a point, or a percussion surface.
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Subcutaneous tissue
The subcutaneous tissue, also called the hypodermis, hypoderm, subcutis, or superficial fascia, is the lowermost layer of the integumentary system in vertebrates.
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Sweat gland
Sweat glands, also known as sudoriferous or sudoriparous glands,, are small tubular structures of the skin that produce sweat.
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Symphysis
A symphysis is a fibrocartilaginous fusion between two bones.
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Synonym (taxonomy)
In scientific nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name,''ICN'', "Glossary", entry for "synonym" although the term is used somewhat differently in the zoological code of nomenclature.
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Systematic name
A systematic name is a name given in a systematic way to one unique group, organism, object or chemical substance, out of a specific population or collection.
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Tapetum lucidum
The tapetum lucidum (Latin: "bright tapestry; coverlet", plural tapeta lucida) is a layer of tissue in the eye of many vertebrates.
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Taste
Taste, gustatory perception, or gustation is one of the five traditional senses that belongs to the gustatory system.
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Tectonics
Tectonics is the process that controls the structure and properties of the Earth's crust and its evolution through time.
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Tempo
In musical terminology, tempo ("time" in Italian; plural: tempi) is the speed or pace of a given piece.
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Testicle
The testicle or testis is the male reproductive gland in all animals, including humans.
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Theory of mind
Theory of mind is the ability to attribute mental states—beliefs, intents, desires, emotions, knowledge, etc.—to oneself, and to others, and to understand that others have beliefs, desires, intentions, and perspectives that are different from one's own.
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Titanocetus
Titanocetus ("Titano whale") is a genus of extinct cetaceans closely related to the family Cetotheriidae.
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Tiucetus
Tiucetus is an extinct genus of cetotheriid baleen whale known from the Late Miocene Pisco Formation of Peru.
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Tohoraata
Tohoraata is a genus of eomysticetid baleen whale from the Late Oligocene (Chattian) of New Zealand.
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Tokarahia
Tokarahia is a genus of eomysticetid baleen whale from the Late Oligocene (Chattian) of New Zealand.
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Tokyo Institute of Technology
is a national research university located in Greater Tokyo Area, Japan.
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Toothed whale
The toothed whales (systematic name Odontoceti) are a parvorder of cetaceans that includes dolphins, porpoises, and all other whales possessing teeth, such as the beaked whales and sperm whales.
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Tranatocetus
Tranatocetus is an extinct genus of mysticete from the late Miocene (Tortonian) of Jutland, Denmark.
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Transitional fossil
A transitional fossil is any fossilized remains of a life form that exhibits traits common to both an ancestral group and its derived descendant group.
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Trophic level
The trophic level of an organism is the position it occupies in a food chain.
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Tympanic part of the temporal bone
The tympanic part of the temporal bone is a curved plate of bone lying below the squamous part of the temporal bone, in front of the mastoid process, and surrounding the external part of the ear canal.
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Unihemispheric slow-wave sleep
Unihemispheric slow-wave sleep (USWS) is sleep with one half of the brain while the other half remains alert.
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United Nations
The United Nations (UN) is an intergovernmental organization tasked to promote international cooperation and to create and maintain international order.
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United States dollar
The United States dollar (sign: $; code: USD; also abbreviated US$ and referred to as the dollar, U.S. dollar, or American dollar) is the official currency of the United States and its insular territories per the United States Constitution since 1792.
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Urine
Urine is a liquid by-product of metabolism in humans and in many animals.
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Vampalus
Vampalus is a genus of cetotheriid mysticete from Miocene (Tortonian) marine deposits in the Russian Caucasus.
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Ventricle (heart)
A ventricle is one of two large chambers in the heart that collect and expel blood received from an atrium towards the peripheral beds within the body and lungs.
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Vestigiality
Vestigiality is the retention during the process of evolution of genetically determined structures or attributes that have lost some or all of their ancestral function in a given species.
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Victoria (Australia)
Victoria (abbreviated as Vic) is a state in south-eastern Australia.
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Vocal folds
The vocal folds, also known commonly as vocal cords or voice reeds, are composed of twin infoldings of mucous membrane stretched horizontally, from back to front, across the larynx.
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Vomeronasal organ
The vomeronasal organ (VNO), or the Jacobson's organ, is an auxiliary olfactory sense organ that is found in many animals.
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Waharoa (whale)
Waharoa is a genus of eomysticetid baleen whale from the Late Oligocene (Chattian) of New Zealand.
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Whakakai
Whakakai is a genus of baleen whale from the Late Oligocene (Chattian) Kokoamu Greensand of New Zealand.
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Whale
Whales are a widely distributed and diverse group of fully aquatic placental marine mammals.
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Whale barnacle
Whale barnacles are barnacles belonging to the family Coronulidae.
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Whale louse
A whale louse is a commensal crustacean of the family Cyamidae.
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Whale meat
Whale meat, broadly speaking, may include all cetaceans (whales, dolphions, porpoises) and all parts of the animal: muscle (meat), organs (offal), and fat (blubber).
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Whale oil
Whale oil is oil obtained from the blubber of whales.
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Whale vocalization
Whale sounds are used by whales for different kinds of communication.
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Whale watching
Whale watching is the practice of observing whales and dolphins (cetaceans) in their natural habitat.
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Whaling
Whaling is the hunting of whales for scientific research and their usable products like meat, oil and blubber.
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Whiskers
Whiskers or vibrissae (singular: vibrissa) are a type of mammalian hair that are typically characterised, anatomically, by their large length, large and well-innervated hair follicle, and by having an identifiable representation in the somatosensory cortex of the brain.
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White blood cell
White blood cells (WBCs), also called leukocytes or leucocytes, are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.
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Willungacetus
Willungacetus is an extinct genus of primitive baleen whale of the family Aetiocetidae known from the Oligocene of Australia (at Port Willunga,, paleocoordinates). It is the oldest-known whale from Australia, and the only aetiocetid whale currently known from the Southern Hemisphere.
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Wool
Wool is the textile fiber obtained from sheep and other animals, including cashmere and mohair from goats, qiviut from muskoxen, angora from rabbits, and other types of wool from camelids.
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Year
A year is the orbital period of the Earth moving in its orbit around the Sun.
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Zygiocetus
Zygiocetus is a genus of cetotheriid mysticete in the subfamily Cetotheriinae.
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Zygophyseter
Zygophyseter varolai is an extinct cetacean that lived during the Tortonian Age of the Late Miocene 11.2 to 7.6 million years ago, and was similar to the modern day sperm whale (Physeter macrocephalus).
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Baleen Whale, Baleen cetacean, Baleen cetaceans, Baleen whales, Mystacoceti, Mysticete, Mysticeti, Pachycetus, Whalebone whale, Whalebone whales.
References
[1] https://en.wikipedia.org/wiki/Baleen_whale
