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Animal

Animals are multicellular, eukaryotic organisms of the kingdom Animalia (also called Metazoa). [1]

245 relations: Acanthocephala, Acoelomorpha, Algae, Amphibia in the 10th edition of Systema Naturae, Amphibian, Anatomy, Animal, Animal attacks, Animal coloration, Annelid, Anti-predator adaptation, Archaea, Archaeocyatha, Archenteron, Aristotle, Arthropod, Asexual reproduction, Aves in the 10th edition of Systema Naturae, Bacteria, Bilateria, Biological interaction, Bird, Blastula, Body cavity, Body plan, Bone, Brachiopod, Breathing, Bryozoa, Caenorhabditis elegans, Cambrian, Cambrian explosion, Cambridge University Press, Carbohydrate, Carbon dioxide, Carl Linnaeus, Carnivore, Cell wall, Centipede, Cestoda, Chaetognatha, Chemosynthesis, Choanoflagellate, Chordate, Cladogram, Clam, Cleavage (embryo), Cnidaria, Coelom, Cold seep, ..., Collagen, Convergent evolution, Coral, Crab, Cryogenian, Ctenophora, Dendrogramma, Desmosome, Detritivore, Deuterostome, Developmental biology, Dicyemida, Digestion, Diploblasty, Drosophila melanogaster, Earthworm, Ecdysis, Ecdysozoa, Echinoderm, Ecology: From Individuals to Ecosystems, Ectoderm, Ediacaran biota, Egg cell, Embryo, Endoderm, Entoprocta, Ernst Haeckel, Ethology, Eukaryote, Eumetazoa, Evolution, Evolutionary arms race, Exoskeleton, Extinction, Extracellular matrix, Fauna, Fish, Flagellate, Flagellum, Flatworm, Food chain, Fragmentation (reproduction), Fungus, Gamete, Gap junction, Gastrotrich, Gastrulation, Gene, Genetic linkage, Genome, Genome project, Germ layer, Glucose, Glycoprotein, Gnathifera (clade), Gnathostomulid, Graptolithina, Gromia sphaerica, Helminths, Hemichordate, Herbivore, Heterotroph, Holocene, Homoscleromorpha, House mouse, Human, Hydrothermal vent, Hyolitha, Inorganic compound, Insect, Insecta in the 10th edition of Systema Naturae, Intron, Invagination, Jellyfish, Kingdom (biology), Kinorhyncha, Latin, Leech, Life, Limnognathia, List of animal names, List of animals by number of neurons, List of feeding behaviours, Lists of animals, Lists of organisms by population, Lobster, Lophophore, Lophotrochozoa, Loricifera, Mammal, Mammalia in the 10th edition of Systema Naturae, Meiosis, Merriam-Webster, Mesoderm, Mesozoa, Metamorphosis, Millipede, Model organism, Molecule, Mollusca, Monophyly, Motility, Moulting, Multicellular organism, Muscle, Myxozoa, Nematode, Nematomorpha, Nemertea, Nephrozoa, Nervous system, Octopus, Omnivore, Onychophora, Opisthokont, Ordovician–Silurian extinction events, Organ (anatomy), Organic matter, Organism, Orthonectida, Oxford University Press, Oxygen, Oyster, ParaHoxozoa, Paraphyly, Parasitism, Parazoa, Parthenogenesis, Permian–Triassic extinction event, Phenotypic trait, Phoronid, Phylum, Pisces in the 10th edition of Systema Naturae, Placozoa, Platyzoa, Precambrian, Predation, Priapulida, Proarticulata, Protein, Protist, Protostome, Protozoa, Radiata, Redox, Reptile, Rotifer, Salinella, Science (journal), Scorpion, Sea anemone, Sea cucumber, Sea urchin, Seabed, Sexual reproduction, Shrimp, Sipuncula, Snail, South Australia, Spermatozoon, Spider, Spiralia, Sponge, Sponge spicule, Squid, Starfish, Starlet sea anemone, Stromatolite, Sunlight, Sustenance, Symbion, Symmetry in biology, Systema Naturae, Tardigrade, Taxonomy (biology), Tight junction, Tissue (biology), Tonian, Trace fossil, Trematoda, Trezona Formation, Trichoplax, Trilobozoa, Triploblasty, Trochophore, Tullimonstrum, University of Michigan, Vermes in the 10th edition of Systema Naturae, Vertebrate, Vetulicolia, Xenoturbella, Zebrafish, Zoology, Zygote, 10th edition of Systema Naturae. Expand index (195 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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Acoelomorpha

The Acoelomorpha are a disputed phylum of marine, soft-bodied animals with planula-like features.

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Algae

Algae (or; singular alga) is an informal term for a large, diverse group of eukaryotes that are not necessarily closely related and are thus polyphyletic.

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Amphibia in the 10th edition of Systema Naturae

In the 10th edition of Systema Naturae, Carl Linnaeus described the Amphibia as: Animals that are distinguished by a body cold and generally naked; stern and expressive countenance; harsh voice; mostly lurid color; filthy odor; a few are furnished with a horrid poison; all have cartilaginous bones, slow circulation, exquisite sight and hearing, large pulmonary vessels, lobate liver, oblong thick stomach, and cystic, hepatic, and pancreatic ducts: they are deficient in diaphragm, do not transpire (sweat), can live a long time without food, are tenatious of life, and have the power of reproducing parts which have been destroyed or lost; some undergo a metamorphosis; some cast (shed) their skin; some appear to live promiscuously on land or in the water, and some are torpid during the winter.

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Amphibian

Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia.

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Anatomy

Anatomy is the branch of biology concerned with the study of the structure of organisms and their parts.

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Animal

Animals are multicellular, eukaryotic organisms of the kingdom Animalia (also called Metazoa).

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Animal attacks

Animal attacks are an uncommon cause of human fatalities and injuries.

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Animal coloration

Animal coloration is the general appearance of an animal resulting from the reflection or emission of light from its surfaces.

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Annelid

The annelids (Annelida, from Latin anellus, "little ring"), also known as the ringed worms or segmented worms, are a large phylum, with over 17,000 extant species including ragworms, earthworms, and leeches.

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Anti-predator adaptation

Anti-predator adaptations are mechanisms developed through evolution that assist prey organisms in their constant struggle against predators.

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Archaea

The Archaea (or or; singular archaeon) constitute a domain or kingdom of single-celled microorganisms.

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Archaeocyatha

Archaeocyatha or archaeocyathids ("ancient cups") is a taxon of extinct, sessile, reef-building marine organisms of warm tropical and subtropical waters that lived during the early (lower) Cambrian period.

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Archenteron

The primitive gut that forms during gastrulation in the developing embryo is known as the archenteron or the digestive tube.

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Aristotle

Aristotle (Ἀριστοτέλης, Aristotélēs; 384322 BC) was a Greek philosopher and scientist born in the Macedonian city of Stagira, Chalkidice, on the northern periphery of Classical Greece.

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Arthropod

An arthropod (from Greek arthro-, joint + podos, foot) is an invertebrate animal having an exoskeleton (external skeleton), a segmented body, and jointed appendages.

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Asexual reproduction

Asexual reproduction is a mode of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only; it does not involve the fusion of gametes and almost never changes the number of chromosomes.

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Aves in the 10th edition of Systema Naturae

In the 10th edition of Systema Naturae, Carl Linnaeus listed the 564 species of bird from around the world which were known to him at the time.

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Bacteria

Bacteria (singular: bacterium) constitute a large domain of prokaryotic microorganisms.

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Bilateria

The bilateria are the animals with bilateral symmetry, i.e., they have a front and a back end, as well as an upside and downside, and therefore a left and a right.

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Biological interaction

Biological interactions are the effects that the organisms in a community have on one another.

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Bird

Birds (class Aves) are a group of endothermic vertebrates, characterised by feathers, a beak with no teeth, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a lightweight but strong skeleton.

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Blastula

The blastula (from Greek βλαστός (blastos), meaning "sprout") is a hollow sphere of cells, referred to as blastomeres, surrounding an inner fluid-filled cavity called the blastocoele formed during an early stage of embryonic development in animals.

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Body cavity

A body cavity is any fluid-filled space in a multicellular organism other than those of vessels (such as blood vessels and lymph vessels).

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Body plan

A body plan (also written bodyplan), Bauplan (German plural Baupläne), or ground plan is "an assemblage of morphological features shared among many members of a phylum-level group".

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Bone

A bone is a rigid organ that constitutes part of the vertebral skeleton.

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Brachiopod

Brachiopods, phylum Brachiopoda, are marine animals that have hard "valves" (shells) on the upper and lower surfaces, unlike the left and right arrangement in bivalve molluscs.

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Breathing

Breathing is the process that moves air in and out of the lungs, or oxygen through other respiratory organs such as gills.

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Bryozoa

The Bryozoa, also known as Polyzoa, Ectoprocta or commonly as moss animals, are a phylum of aquatic invertebrate animals.

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Caenorhabditis elegans

Caenorhabditis elegans is a free-living (not parasitic), transparent nematode (roundworm), about 1 mm in length, that lives in temperate soil environments.

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Cambrian

The Cambrian is the first geological period of the Paleozoic Era, lasting from to million years ago (mya) and is succeeded by the Ordovician.

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Cambrian explosion

The Cambrian explosion, or less commonly Cambrian radiation, was the relatively short evolutionary event, beginning around in the Cambrian Period, during which most major animal phyla appeared, as indicated by the fossil record.

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Cambridge University Press

Cambridge University Press (CUP) is the publishing business of the University of Cambridge.

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Carbohydrate

A carbohydrate is a biological molecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen:oxygen atom ratio of 2:1 (as in water); in other words, with the empirical formula (where m could be different from n).

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Carbon dioxide

Carbon dioxide (chemical formula CO2) is a colorless, odorless gas vital to life on Earth.

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Carl Linnaeus

Carl Linnaeus (23 May 1707 – 10 January 1778), also known after his ennoblement as Carl von LinnéBlunt (2004), p. 171.

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Carnivore

A carnivore meaning 'meat eater' (Latin, caro 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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Cell wall

The cell wall is a tough, flexible and sometimes rigid layer that surrounds some types of cells.

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Centipede

Centipedes (from Latin prefix centi-, "hundred", and pes, pedis, "foot") are arthropods belonging to the class Chilopoda of the subphylum Myriapoda.

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Cestoda

Cestoda (Cestoidea) is a class of parasitic flatworms, of the phylum Platyhelminthes.

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Chaetognatha

Chaetognatha, meaning bristle-jaws, and commonly known as arrow worms, are a phylum of predatory marine worms that are a major component of plankton worldwide.

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Chemosynthesis

In biochemistry, chemosynthesis is the biological conversion of one or more carbon molecules (usually carbon dioxide or methane) and nutrients into organic matter using the oxidation of inorganic molecules (e.g. hydrogen gas, hydrogen sulfide) or methane as a source of energy, rather than sunlight, as in photosynthesis.

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Choanoflagellate

The choanoflagellates are a group of free-living unicellular and colonial flagellate eukaryotes considered to be the closest living relatives of the animals.

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Chordate

Chordates are animals possessing a notochord, a hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail for at least some period of their life cycles.

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Cladogram

A cladogram (from Greek clados "branch" and gramma "character") is a diagram used in cladistics which shows relations among organisms.

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Clam

"Clam" is an informal term used to refer to any molluscans within Class Bivalvia.

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Cleavage (embryo)

In embryology, cleavage is the division of cells in the early embryo.

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Cnidaria

Cnidaria is a phylum containing over 10,000 species of animals found exclusively in aquatic (freshwater and marine) environments: they are predominantly marine species.

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Coelom

The coelom (plural coeloms or coelomata) (Greek koilōma, hollow, cavity) refers to the main body cavity in most multicellular animals and is positioned inside the body to surround and contain the digestive tract and other organs.

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Cold seep

A cold seep (sometimes called a cold vent) is an area of the ocean floor where hydrogen sulfide, methane and other hydrocarbon-rich fluid seepage occurs, often in the form of a brine pool.

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Collagen

Collagen is the main structural protein in the extracellular space in the various connective tissues in animals.

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Convergent evolution

Convergent evolution is the independent evolution of similar features in species of different lineages.

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Coral

Corals are marine invertebrates in the class Anthozoa of phylum Cnidaria.

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Crab

Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) (βραχύς / brachys.

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Cryogenian

The Cryogenian (pronounced, from Greek cryos "cold" and genesis "birth") is a geologic period that lasted from.

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Ctenophora

Ctenophora (singular ctenophore, or; from the Greek κτείς kteis 'comb' and φέρω pherō 'carry'; commonly known as comb jellies) is a phylum of animals that live in marine waters worldwide.

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Dendrogramma

Dendrogramma is a genus consisting of two species, D. enigmatica and D. discoides, identified in 2014 from a collection of specimens gathered in 1986.

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Desmosome

A desmosome ("binding body"), also known as a macula adhaerens (plural: maculae adhaerentes) (Latin for adhering spot), is a cell structure specialized for cell-to-cell adhesion.

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Detritivore

Detritivores, also known as detritophages, detritus feeders, detritus eaters, or saprophages, are heterotrophs that obtain nutrients by consuming detritus (decomposing plant and animal parts as well as feces).

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Deuterostome

Deuterostomes (taxonomic term: Deuterostomia; from the Greek: "mouth second") are any members of a superphylum of animals.

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Developmental biology

Developmental biology is the study of the process by which animals and plants grow and develop, and is synonymous with ontogeny.

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Dicyemida

Dicyemida, or Rhombozoa, is a phylum of tiny parasites that live in the renal appendages of cephalopods.

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Digestion

Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma.

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Diploblasty

Diploblasty is a condition of the blastula in which there are two primary germ layers: the ectoderm and endoderm.

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Drosophila melanogaster

Drosophila melanogaster is a species of fly (the taxonomic order Diptera) in the family Drosophilidae.

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Earthworm

An earthworm is a tube-shaped, segmented worm found in the phylum Annelida.

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Ecdysis

Ecdysis is the moulting of the cuticle in many invertebrates.

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Ecdysozoa

Ecdysozoa is a group of protostome animals, including Arthropoda (insects, chelicerata, crustaceans, and myriapods), nematoda, and several smaller phyla.

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Echinoderm

Echinoderm is the common name given to any member of the Phylum Echinodermata (from Ancient Greek, ἐχῖνος, echinos – "hedgehog" and δέρμα, derma – "skin") of marine animals.

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Ecology: From Individuals to Ecosystems

Ecology: From Individuals to Ecosystems is a 2006 higher education textbook on general ecology written by Michael Begon, Colin R. Townsend and John L. Harper.

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Ectoderm

Ectoderm is one of the three primary germ layers in the very early embryo.

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Ediacaran biota

The Ediacaran (formerly Vendian) biota consisted of enigmatic tubular and frond-shaped, mostly sessile organisms that lived during the Ediacaran Period (ca. 635–542 Ma).

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Egg cell

The egg cell, or ovum, is the female reproductive cell (gamete) in oogamous organisms.

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Embryo

An embryo is a multicellular diploid eukaryote in its earliest stage of development, from the time of fertilization through sexual reproduction until birth, hatching, or germination.

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Endoderm

Endoderm is one of the three primary germ layers in the very early human embryo.

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Entoprocta

Entoprocta, whose name means "anus inside", is a phylum of mostly sessile aquatic animals, ranging from long.

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Ernst Haeckel

Ernst Heinrich Philipp August Haeckel (16 February 1834 – 9 August 1919) was a German biologist, naturalist, philosopher, physician, professor, and artist who discovered, described and named thousands of new species, mapped a genealogical tree relating all life forms, and coined many terms in biology, including anthropogeny, ecology, phylum, phylogeny, stem cell, and Protista. Haeckel promoted and popularised Charles Darwin's work in Germany and developed the influential but no longer widely held recapitulation theory ("ontogeny recapitulates phylogeny") claiming that an individual organism's biological development, or ontogeny, parallels and summarises its species' evolutionary development, or phylogeny.

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Ethology

Ethology is the scientific and objective study of animal behaviour, usually with a focus on behaviour under natural conditions, and viewing behaviour as an evolutionarily adaptive trait.

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Eukaryote

A eukaryote (or or) is any organism whose cells contain a nucleus and other organelles enclosed within membranes.

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Eumetazoa

Eumetazoa (Greek: εὖ, well + μετά, after + ζῷον, animal) is a clade comprising all major animal groups except sponges, placozoa, and several other obscure or extinct life forms, such as Dickinsonia.

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Evolution

Evolution is change in the heritable traits of biological populations over successive generations.

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Evolutionary arms race

In evolutionary biology, an evolutionary arms race is an evolutionary struggle between competing sets of co-evolving genes, traits, or species, that develop adaptations and counter-adaptations against each other, resembling an arms race, which could be, and often are, described as examples of positive feedback.

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Exoskeleton

An exoskeleton (from Greek έξω, éxō "outer" and σκελετός, skeletos "skeleton") is the external skeleton that supports and protects an animal's body, in contrast to the internal skeleton (endoskeleton) of, for example, a human.

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Extinction

In biology and ecology, extinction is the end of an organism or of a group of organisms (taxon), normally a species.

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Extracellular matrix

In biology, the extracellular matrix (ECM) is a collection of extracellular molecules secreted by cells that provides structural and biochemical support to the surrounding cells.

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Fauna

Fauna is all of the animal life of any particular region or time.

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Fish

A fish is any member of a paraphyletic group of organisms that consist of all gill-bearing aquatic craniate animals that lack limbs with digits.

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Flagellate

A flagellate is a cell or organism with one or more whip-like organelles called flagella.

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Flagellum

A flagellum (plural: flagella) is a lash-like appendage that protrudes from the cell body of certain prokaryotic and eukaryotic cells.

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Flatworm

The flatworms, or Platyhelminthes, Plathelminthes, or platyhelminths (from the Greek πλατύ, platy, meaning "flat" and ἕλμινς (root: ἑλμινθ-), helminth-, meaning "worm") are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates.

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Food chain

A food chain is a linear network of links in a food web starting from producer organisms (such as grass or trees which use radiation from the sun to make their food) and ending at apex predator species (like grizzly bears or killer whales), detrivores (like earthworms or woodlice), or decomposer species (such as fungi or bacteria).

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Fragmentation (reproduction)

Fragmentation or clonal fragmentation in multicellular or colonial organisms is a form of asexual reproduction or cloning in which an organism is split into fragments.

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Fungus

A fungus (plural: fungi or funguses) is any member of the group of eukaryotic organisms that includes unicellular microorganisms such as yeasts and molds, as well as multicellular fungi that produce familiar fruiting forms known as mushrooms.

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Gamete

A gamete (from Ancient Greek γαμετή gamete "wife") is a cell that fuses with another cell during fertilization (conception) in organisms that sexually reproduce.

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Gap junction

A gap junction may also be called a nexus or macula communicans.

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Gastrotrich

The gastrotrichs (phylum Gastrotricha), commonly referred to as hairybacks, are a group of microscopic (0.06-3.0 mm), worm-like, pseudocoelomate animals, and are widely distributed and abundant in freshwater and marine environments.

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Gastrulation

Gastrulation is a phase early in the embryonic development of most animals, during which the single-layered blastula is reorganized into a trilaminar ("three-layered") structure known as the gastrula.

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Gene

A gene is a locus (or region) of DNA that encodes a functional RNA or protein product, and is the molecular unit of heredity.

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Genetic linkage

Genetic linkage is the tendency of alleles that are located close together on a chromosome to be inherited together during the meiosis phase of sexual reproduction.

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Genome

In modern molecular biology and genetics, the genome is the genetic material of an organism.

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Genome project

Genome projects are scientific endeavours that ultimately aim to determine the complete genome sequence of an organism (be it an animal, a plant, a fungus, a bacterium, an archaean, a protist or a virus) and to annotate protein-coding genes and other important genome-encoded features.

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Germ layer

A germ layer is a primary layer of cells that form during embryogenesis.

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Glucose

Glucose is a sugar with the molecular formula C6H12O6.

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Glycoprotein

Glycoproteins are proteins that contain oligosaccharide chains (glycans) covalently attached to polypeptide side-chains.

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Gnathifera (clade)

Gnathifera is an assemblage of phyla of metazoans.

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Gnathostomulid

Gnathostomulids, or jaw worms, are a small phylum of nearly microscopic marine animals.

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Graptolithina

Graptolithina is a class in the animal phylum Hemichordata, the members of which are known as graptolites.

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Gromia sphaerica

Gromia sphaerica is a large spherical testate amoeba, a single-celled organism classed among the protists and is the largest in the genus Gromia.

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Helminths

Helminths, also commonly known as parasitic worms, are large multicellular organisms, which when mature can generally be seen with the naked eye.

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Hemichordate

Hemichordata is a phylum of marine deuterostome animals, generally considered the sister group of the echinoderms.

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Herbivore

A herbivore is an animal anatomically and physiologically adapted to eating plant material, for example foliage, for the main component of its diet.

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Heterotroph

A heterotroph (ἕτερος heteros.

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Holocene

The Holocene is the geological epoch that began after the Pleistocene at approximately 11,700 years BP and continues to the present.

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Homoscleromorpha

Homoscleromorpha is a class of marine sponges composed of two families: Plakinidae and Oscarellidae.

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House mouse

The house mouse (Mus musculus) is a small mammal of the order Rodentia, characteristically having a pointed snout, small rounded ears, and a long naked or almost hairless tail.

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Human

Modern humans (Homo sapiens, primarily ssp. Homo sapiens sapiens) are the only extant members of the hominin clade (or human clade), a branch of the great apes; they are characterized by erect posture and bipedal locomotion, manual dexterity and increased tool use, and a general trend toward larger, more complex brains and societies.

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Hydrothermal vent

A hydrothermal vent is a fissure in a planet's surface from which geothermally heated water issues.

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Hyolitha

Hyolitha are enigmatic animals with small conical shells known from the Palaeozoic Era.

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Inorganic compound

An inorganic compound is a compound that is considered not "organic".

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Insect

Insects (from Latin insectum, a calque of Greek ἔντομον, "cut into sections") are a class of invertebrates within the arthropod phylum that have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae.

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Insecta in the 10th edition of Systema Naturae

In the 10th edition of Systema Naturae, Carl Linnaeus classified the arthropods, including insects, arachnids and crustaceans, among his class "Insecta".

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Intron

An intron is any nucleotide sequence within a gene that is removed by RNA splicing during maturation of the final RNA product.

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Invagination

Invagination is the infolding of one part within another part of a structure, a folding that creates a pocket.

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Jellyfish

Jellyfish or jelliesVan Patten, Peg.

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Kingdom (biology)

In biology, kingdom (latin: regnum, pl. regna) is the second highest taxonomic rank below domain.

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Kinorhyncha

Kinorhyncha (Gr. κινέω, kīneō 'move' + ῥυνχος, rhynchos 'snout') is a phylum of small (1 mm or less) marine invertebrates that are widespread in mud or sand at all depths as part of the meiobenthos.

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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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Leech

Leeches are segmented worms that belong to the phylum Annelida and comprise the subclass Hirudinea.

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Life

Life is a characteristic distinguishing physical entities having biological processes (such as signaling and self-sustaining processes) from those that do not,The American Heritage Dictionary of the English Language, 4th edition, published by Houghton Mifflin Company, via.

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Limnognathia

Limnognathia maerski is a microscopic animal, discovered living in homothermic springs on Disko Island, Greenland in 1994, that has variously been assigned as a class or subphylum in the phylum Gnathifera or as a phylum in a Gnathifera superphylum, named Micrognathozoa.

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List of animal names

Many animals, particularly domesticated, have been given specific names for males, females, young, and groups.

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List of animals by number of neurons

This is a list of representative animals by the number of neurons in their whole nervous system and the number of neurons in their brain (for those with a brain).

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List of feeding behaviours

Feeding is the process by which organisms, typically animals, obtain food.

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Lists of animals

Lists of animals are lists concerning members of the Kingdom animalia, primarily taxonomical but also relating to their endangered species status, their geographical location and their portrayal and/or naming in human culture.

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Lists of organisms by population

This is a collection of lists of organisms by their population.

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Lobster

Clawed lobsters comprise a family (Nephropidae, sometimes also Homaridae) of large marine crustaceans.

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Lophophore

The lophophore is a characteristic feeding organ possessed by four major groups of animals: the Brachiopoda, Bryozoa, Entoprocta, and Phoronida, which collectively constituted the Lophophorata.

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Lophotrochozoa

The Lophotrochozoa ("crest/wheel animals") are a major grouping of protostome animals.

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Loricifera

Loricifera (from Latin, lorica, corselet (armour) + ferre, to bear) is a phylum of very small to microscopic marine sediment-dwelling animals with twenty-two described species, in eight genera.

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Mammal

Mammals (class Mammalia from Latin mamma "breast") are any members of a clade of endothermic amniotes distinguished from reptiles and birds by the possession of hair, three middle ear bones, mammary glands, and a neocortex (a region of the brain).

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Mammalia in the 10th edition of Systema Naturae

In the 10th edition of Systema Naturae, Carl Linnaeus described the Mammalia as one of the six classes of animals, characterized by being: Animals that suckle their young by means of lactiferous teats.

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Meiosis

Meiosis is a specialized type of cell division which reduces the chromosome number by half.

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Merriam-Webster

Merriam-Webster, Incorporated, is an American company that publishes reference books, especially dictionaries.

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Mesoderm

In all bilaterian animals, the mesoderm is one of the three primary germ layers in the very early embryo.

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Mesozoa

The Mesozoa are enigmatic, minuscule, worm-like parasites of marine invertebrates.

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Metamorphosis

Metamorphosis is a biological process by which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal's body structure through cell growth and differentiation.

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Millipede

Millipedes are arthropods in the class Diplopoda characterised by having two pairs of jointed legs on most body segments.

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Model organism

A model organism is a non-human species that is extensively studied to understand particular biological phenomena, with the expectation that discoveries made in the organism model will provide insight into the workings of other organisms.

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Molecule

A molecule (from Latin moles "mass") is an electrically neutral group of two or more atoms held together by chemical bonds.

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Mollusca

The molluscs or mollusksSpelled mollusks in the USA, see reasons given in Rosenberg's; for the spelling mollusc see the reasons given by compose the large phylum of invertebrate animals known as the Mollusca.

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Monophyly

In common cladistic usage, a monophyletic group is a taxon (group of organisms) which forms a clade, meaning that it consists of an ancestral species and all its descendants.

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Motility

In biology, motility is the ability to move spontaneously and actively, consuming energy in the process.

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Moulting

In biology, moulting or molting (see spelling differences), also known as sloughing, shedding, or in many invertebrates, ecdysis, is the manner in which an animal routinely casts off a part of its body (often, but not always, an outer layer or covering), either at specific times of the year, or at specific points in its life cycle.

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Multicellular organism

Multicellular organisms are organisms that consist of more than one cell, in contrast to unicellular organisms.

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Muscle

Muscle is a soft tissue found in most animals.

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Myxozoa

The Myxozoa (etymology: Greek: μύξα myxa "slime" or "mucus" + thematic vowel o + ζῷον zoon "animals") are a group of parasitic animals of aquatic environments.

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Nematode

The nematodes or roundworms constitute the phylum Nematoda.

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Nematomorpha

Nematomorpha (sometimes called Gordiacea, Nematomorpha commonly known as horsehair worms or Gordian worms) are a phylum of parasitoid animals superficially similar to nematode worms in morphology, hence the name.

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Nemertea

Nemertea is a phylum of invertebrate animals also known as "ribbon worms" or "proboscis worms".

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Nephrozoa

Nephrozoa is a clade of bilaterians which includes deuterostomes and protostomes.

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Nervous system

The nervous system is the part of an animal's body that coordinates its voluntary and involuntary actions and transmits signals to and from different parts of its body.

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Octopus

An octopus (or; plural: octopuses, octopi, or octopodes; see below) is a cephalopod mollusc of the order Octopoda.

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Omnivore

An omnivore is an animal whose species normally derives its energy and nutrients from a diet consisting of a variety of food sources that may include plants, animals, algae, fungi and bacteria.

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Onychophora

The velvet worms (Onychophora — literally "claw bearers") are a minor ecdysozoan phylum with ~180 species.

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Opisthokont

The opisthokonts (Greek: ὀπίσθιος (opísthios).

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Ordovician–Silurian extinction events

The Ordovician–Silurian extinction events, also known as the Ordovician extinction, were, combined, the second-largest of the five major extinction events in Earth's history in terms of percentage of genera that went extinct and second largest overall in the overall loss of life.

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Organ (anatomy)

In biology, an organ or viscus is a collection of tissues joined in a structural unit to serve a common function.

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Organic matter

Organic matter or organic material, natural organic matter, NOM is matter composed of organic compounds that has come from the remains of organisms such as plants and animals and their waste products in the environment.

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Organism

In biology, an organism is any contiguous living system, such as an animal, plant or bacterium.

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Orthonectida

Orthonectida is a small phylum of poorly known parasites of marine invertebrates that are among the simplest of multi-cellular organisms.

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Oxford University Press

Oxford University Press (OUP) is the largest university press in the world, and the second-oldest, after Cambridge University Press.

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Oxygen

Oxygen is a chemical element with symbol O and atomic number 8.

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Oyster

The word oyster is used as a common name for a number of different families of saltwater clams, bivalve molluscs that live in marine or brackish habitats.

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ParaHoxozoa

The Parahoxozoa are a proposed grouping of animals based on presence of at least a single Hox/ParaHox gene, uniting Placozoa, Cnidaria (jellyfish) and Bilateria.

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Paraphyly

In taxonomy, a group is said to be paraphyletic if it consists of all the descendants of the group's last common ancestor minus a small number of monophyletic subgroups of descendants, typically just one or two such subgroups.

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Parasitism

In biology/ecology, parasitism is a non-mutual symbiotic relationship between species, where one species, the parasite, benefits at the expense of the other, the host.

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Parazoa

The Parazoa are an ancestral subkingdom of animals, literally translated as "beside the animals".

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Parthenogenesis

Parthenogenesis (from the Greek παρθένος parthenos, "virgin", + γένεσις genesis, "creation") is a form of asexual reproduction in which growth and development of embryos occur without fertilization.

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Permian–Triassic extinction event

The Permian–Triassic (P–Tr) extinction event, colloquially known as the Great Dying or the Great Permian Extinction, occurred about 252 Ma (million years) ago, forming the boundary between the Permian and Triassic geologic periods, as well as the Paleozoic and Mesozoic eras.

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Phenotypic trait

A phenotypic trait, or simply trait, is a distinct variant of a phenotypic characteristic of an organism that may be inherited, be environmentally determined or be a combination of the two.

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Phoronid

Phoronids (scientific name Phoronida, sometimes called horseshoe worms) are a phylum of marine animals that filter-feed with a lophophore (a "crown" of tentacles), and build upright tubes of chitin to support and protect their soft bodies.

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Phylum

In biology, a phylum (plural: phyla)The term was coined by Haeckel from Greek φῦλον phylon, "race, stock," related to φυλή phyle, "tribe, clan." is a taxonomic rank below kingdom and above class.

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Pisces in the 10th edition of Systema Naturae

In the 10th edition of Systema Naturae, Carl Linnaeus described the Pisces as: Always inhabiting the waters; are swift in their motion and voracious in their appetites.

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Placozoa

The Placozoa are a basal form of invertebrate.

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Platyzoa

The Platyzoa are a group of protostome animals proposed by Thomas Cavalier-Smith in 1998.

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Precambrian

Positions of landmasses near the end of the Precambrian The Precambrian or Pre-Cambrian; sometimes abbreviated pЄ is the largest span of time in Earth's history before the current Phanerozoic Eon, and is a Supereon divided into several eons of the geologic time scale.

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Predation

In ecosystem predation is a biological interaction where a predator (an organism that is hunting) feeds on its prey (the organism that is attacked).

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Priapulida

Priapulida (priapulid worms or penis worms, from Gr. πριάπος, priāpos 'Priapus' + Lat. -ul-, diminutive) is a phylum of marine worms.

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Proarticulata

Proarticulata is an extinct phylum of very early, superficially bilaterally symmetrical animals known from fossils found in the Ediacaran (Vendian) marine deposits, and dates to approximately.

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Protein

Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues.

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Protist

In all biological taxonomy schemes, protists were a large group of diverse eukaryotic microorganisms, mainly unicellular animals and plants, that do not form tissues.

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Protostome

Protostomia (from Greek meaning "mouth first") are a clade of animals.

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Protozoa

In some systems of biological classification, the Protozoa are a diverse group of unicellular eukaryotic organisms.

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Radiata

Radiata is a taxonomic rank that has been used to classify radially symmetric animals.

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Redox

Redox reactions include all chemical reactions in which atoms have their oxidation state changed; in general, redox reactions involve the transfer of electrons between species.

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Reptile

Reptiles are a group (Reptilia) of tetrapod animals comprising today's turtles, crocodilians, snakes, lizards, tuatara, and their extinct relatives.

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Rotifer

The rotifers (Rotifera, commonly called wheel animals) make up a phylum of microscopic and near-microscopic pseudocoelomate animals.

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Salinella

Salinella salve is a dubious species of very simple animal that may not exist, but which some have named as the sole member of the phylum Monoblastozoa.

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Science (journal)

Science, also widely referred to as Science Magazine, is the academic journal of the American Association for the Advancement of Science (AAAS) and is one of the world's top scientific journals.

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Scorpion

Scorpions are predatory arthropod animals of the order Scorpiones within the class Arachnida.

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Sea anemone

Sea anemones are a group of water-dwelling, predatory animals of the order Actiniaria.

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Sea cucumber

Sea cucumbers are echinoderms from the class Holothuroidea.

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Sea urchin

Sea urchins or urchins, archaically called sea hedgehogs, are small, spiny, globular animals that, with their close kin, such as sand dollars, constitute the class Echinoidea of the echinoderm phylum.

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Seabed

The seabed (also known as the seafloor, sea floor, or ocean floor) is the bottom of the ocean.

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Sexual reproduction

Sexual reproduction is a form of reproduction where two morphologically distinct types of specialized reproductive cells called gametes fuse together, involving a female's large ovum (or egg) and a male's smaller sperm.

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Shrimp

The term shrimp is used to refer to some decapod crustaceans, although the exact animals covered can vary.

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Sipuncula

The Sipuncula or Sipunculida (common names sipunculid worms or peanut worms) is a group containing 144–320 species (estimates vary) of bilaterally symmetrical, unsegmented marine worms.

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Snail

Snail is a common name that is applied most often to land snails, terrestrial pulmonate gastropod molluscs.

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South Australia

South Australia (abbreviated as SA) is a state in the southern central part of Australia.

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Spermatozoon

A spermatozoon (pronounced, alternate spelling spermatozoön; plural spermatozoa; from σπέρμα "seed" and ζῷον "living being") is a motile sperm cell, or moving form of the haploid cell that is the male gamete.

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Spider

Spiders (order Araneae) are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom.

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Spiralia

The Spiralia are a morphologically diverse clade of animals, including within their number of molluscs, annelids, platyhelminths and other phyla.

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Sponge

Sponges are animals of the phylum Porifera (meaning "pore bearer").

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Sponge spicule

Spicules are structural elements found in most sponges.

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Squid

Squid are cephalopods of the order Teuthida, which comprises around 304 species.

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Starfish

Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea.

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Starlet sea anemone

The starlet sea anemone (Nematostella vectensis) is a species of small sea anemone in the family Edwardsiidae native to the east coast of the United States, with introduced populations along the coast of southeast England and the west coast of the United States.

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Stromatolite

Stromatolites or stromatoliths (from Greek στρώμα, strōma, mattress, bed, stratum, and λίθος, lithos, rock) are layered bio-chemical accretionary structures formed in shallow water by the trapping, binding and cementation of sedimentary grains by biofilms (microbial mats) of microorganisms, especially cyanobacteria.

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Sunlight

Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light.

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Sustenance

Sustenance can refer to any means of subsistence or livelihood.

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Symbion

Symbion is the name of a genus of aquatic animals, less than ½ mm wide, found living attached to the bodies of cold-water lobsters.

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Symmetry in biology

Symmetry in biology is the balanced distribution of duplicate body parts or shapes.

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Systema Naturae

(sometimes written with the ligature æ) was one of the major works of the Swedish botanist, zoologist and physician Carolus Linnaeus (1707–1778) and introduced the Linnaean taxonomy.

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Tardigrade

Tardigrades (also known as water bears or moss piglets) are water-dwelling, segmented micro-animals, with eight legs.

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Taxonomy (biology)

Taxonomy (from τάξις taxis, "arrangement," and -νομία -nomia, "method") is the science of defining groups of biological organisms on the basis of shared characteristics and giving names to those groups.

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Tight junction

Tight junctions, also known as occluding junctions or zonulae occludentes (singular, zonula occludens), are the closely associated areas of two cells whose membranes join together forming a virtually impermeable barrier to fluid.

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Tissue (biology)

In biology, tissue is a cellular organizational level intermediate between cells and a complete organ.

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Tonian

The Tonian (from Greek tonas, "stretch") is the first geologic period in the Neoproterozoic Era and lasted from Mya to Mya (million years ago).

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Trace fossil

Trace fossils, also called ichnofossils (sg.; ιχνος ikhnos "trace, track"), are geological records of biological activity.

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Trematoda

Trematoda is a class within the phylum Platyhelminthes.

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Trezona Formation

The Trezona Formation is a Neoproterozoic epoch fossiliferous geological formation in South Australia.

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Trichoplax

Trichoplax adhaerens is the only extant representative of phylum Placozoa, which is a basal group of multicellular animals (metazoa).

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Trilobozoa

Trilobozoa ("three-lobed animals") is an extinct taxon of organisms which displayed tri-radial symmetry.

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Triploblasty

Triploblasty is a condition of the blastula in which there are three primary germ layers: the ectoderm, mesoderm, and endoderm.

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Trochophore

A trochophore (also spelled trocophore) is a type of free-swimming planktonic marine larva with several bands of cilia.

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Tullimonstrum

Tullimonstrum gregarium, colloquially known as the Tully Monster, was a soft-bodied invertebrate that lived in shallow tropical coastal waters of muddy estuaries during the Pennsylvanian geological period, about 300 million years ago.

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University of Michigan

The University of Michigan (U-M, UM, UMich, or U of M), frequently referred to simply as Michigan, is a public research university located in Ann Arbor, Michigan, United States.

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Vermes in the 10th edition of Systema Naturae

In 1758, in the 10th edition of Systema Naturae, the Swedish scientist and taxonomist Carl Linnaeus described the class "Vermes" as: Animals of slow motion, soft substance, able to increase their bulk and restore parts which have been destroyed, extremely tenatious of life, and the inhabitants of moist places.

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Vertebrate

Vertebrates comprise any species of animals within the subphylum Vertebrata (chordates with backbones).

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Vetulicolia

VetulicoliaThe taxon name, Vetulocolia, is derived from the type genus, Vetulicola, which is a compound Latin word composed of vetuli "old" and cola "inhabitant".

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Xenoturbella

Xenoturbella is a genus of bilaterian animals; it contains two marine worm-like species.

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Zebrafish

The zebrafish (Danio rerio) is a tropical freshwater fish belonging to the minnow family (Cyprinidae) of the order Cypriniformes.

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Zoology

Zoology (zoh-OL-luh-jee) or animal biology is the branch of biology that relates to the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems.

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Zygote

A zygote (from Greek ζυγωτός zygōtos "joined" or "yoked", from ζυγοῦν zygoun "to join" or "to yoke"), is a eukaryotic cell formed by a fertilization event between two gametes.

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10th edition of Systema Naturae

The 10th edition of Systema Naturae is a book written by Carl Linnaeus and published in two volumes in 1758 and 1759, which marks the starting point of zoological nomenclature.

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ANIMAL, Anamalia, Animal (Metazoan) Evolution, Animal Characteristics, Animal Phylogeny, Animal body, Animal life, Animal phylum, Animal reproduction, Animal types, Animalia, Animalia Kingdom, Animals, Anumal, Basal metazoa, Basal metazoan, Classification of animals, Kingdom Animal, Kingdom Animalia, Kingdom animal, Kingdom animalia, KingdomAnimalia, Metazoa, Metazoan, Metazoans, Metazoic, Metazoon, New Animal Phylogeny, New animal phylogeny, Non-human animal, Nonhuman animal, Water animal.

References

[1] https://en.wikipedia.org/wiki/Animal

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