Faster access than browser!
67 relations: Acta Palaeontologica Polonica, Algae, Anus, Aphragmophora, Basement membrane, Benthic zone, Bilateria, Bioluminescence, Burgess Shale, Cambrian, Carl Friedrich Wilhelm Claus, Carnivore, Cilium, Coelom, Conodont, Current Biology, Cuticle, Deuterostome, Diverticulum, Ecdysozoa, Egg cell, Embryology, Encyclopædia Britannica, Epidermis (zoology), Fish fin, Ganglion, Gnathifera (clade), Hermaphrodite, Homology (biology), Karl Grobben, Larva, Lateral line, Lophotrochozoa, Lynn Margulis, Maotianshan Shales, Marine worm, Microtubule, Nature (journal), Neurotoxin, Oesia, Ommatidium, Ovary, Oviduct, Oxford University Press, Pennsylvanian (geology), Peritoneum, Pharynx, Phragmophora, Phylogenetic tree, Plankton, ..., Proceedings of the Royal Society, Protoconodont, Protohertzina, Protostome, Rudolf Leuckart, Science (journal), Seminal vesicle, Simple eye in invertebrates, Spermatophore, Spermatozoon, Testicle, Tetrodotoxin, The Biological Bulletin, The Journal of Experimental Biology, Thomas Cavalier-Smith, Vertebrate, Yunnan. Expand index (17 more) »
Acta Palaeontologica Polonica
Acta Palaeontologica Polonica is a quarterly peer-reviewed open access scientific journal of paleontology and paleobiology.
New!!: Chaetognatha and Acta Palaeontologica Polonica · See more »
Algae
Algae (singular alga) is an informal term for a large, diverse group of photosynthetic organisms that are not necessarily closely related, and is thus polyphyletic.
New!!: Chaetognatha and Algae · See more »
Anus
The anus (from Latin anus meaning "ring", "circle") is an opening at the opposite end of an animal's digestive tract from the mouth.
New!!: Chaetognatha and Anus · See more »
Aphragmophora
Aphragmophora is an order of sagittodieans in the phylum Chaetognatha.
New!!: Chaetognatha and Aphragmophora · See more »
Basement membrane
The basement membrane is a thin, fibrous, extracellular matrix of tissue that separates the lining of an internal or external body surface from underlying connective tissue in metazoans.
New!!: Chaetognatha and Basement membrane · See more »
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.
New!!: Chaetognatha and Benthic zone · See more »
Bilateria
The Bilateria or bilaterians, or triploblasts, are animals with bilateral symmetry, i.e., they have a head (anterior) and a tail (posterior) as well as a back (dorsal) and a belly (ventral); therefore they also have a left side and a right side.
New!!: Chaetognatha and Bilateria · See more »
Bioluminescence
Bioluminescence is the production and emission of light by a living organism.
New!!: Chaetognatha and Bioluminescence · See more »
Burgess Shale
The Burgess Shale is a fossil-bearing deposit exposed in the Canadian Rockies of British Columbia, Canada.
New!!: Chaetognatha and Burgess Shale · See more »
Cambrian
The Cambrian Period was the first geological period of the Paleozoic Era, and of the Phanerozoic Eon.
New!!: Chaetognatha and Cambrian · See more »
Carl Friedrich Wilhelm Claus
Carl Friedrich Wilhelm Claus (2 January 1835 – 18 January 1899) was a German zoologist.
New!!: Chaetognatha and Carl Friedrich Wilhelm Claus · See more »
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.
New!!: Chaetognatha and Carnivore · See more »
Cilium
A cilium (the plural is cilia) is an organelle found in eukaryotic cells.
New!!: Chaetognatha and Cilium · See more »
Coelom
The coelom is the main body cavity in most animals and is positioned inside the body to surround and contain the digestive tract and other organs.
New!!: Chaetognatha and Coelom · See more »
Conodont
Conodonts (Greek kōnos, "cone", + odont, "tooth") are extinct agnathan chordates resembling eels, classified in the class Conodonta.
New!!: Chaetognatha and Conodont · See more »
Current Biology
Current Biology is a scientific journal that covers all areas of biology, especially molecular biology, cell biology, genetics, neurobiology, ecology and evolutionary biology.
New!!: Chaetognatha and Current Biology · See more »
Cuticle
A cuticle, or cuticula, is any of a variety of tough but flexible, non-mineral outer coverings of an organism, or parts of an organism, that provide protection.
New!!: Chaetognatha and Cuticle · See more »
Deuterostome
Deuterostomes (taxonomic term: Deuterostomia; meaning "second mouth" in Greek) are any members of a superphylum of animals.
New!!: Chaetognatha and Deuterostome · See more »
Diverticulum
A diverticulum (plural: diverticula) is the medical or biological term for an outpouching of a hollow (or a fluid-filled) structure in the body.
New!!: Chaetognatha and Diverticulum · See more »
Ecdysozoa
Ecdysozoa is a group of protostome animals, including Arthropoda (insects, chelicerata, crustaceans, and myriapods), Nematoda, and several smaller phyla.
New!!: Chaetognatha and Ecdysozoa · See more »
Egg cell
The egg cell, or ovum (plural ova), is the female reproductive cell (gamete) in oogamous organisms.
New!!: Chaetognatha and Egg cell · See more »
Embryology
Embryology (from Greek ἔμβρυον, embryon, "the unborn, embryo"; and -λογία, -logia) is the branch of biology that studies the prenatal development of gametes (sex cells), fertilization, and development of embryos and fetuses.
New!!: Chaetognatha and Embryology · See more »
Encyclopædia Britannica
The Encyclopædia Britannica (Latin for "British Encyclopaedia"), published by Encyclopædia Britannica, Inc., is a general knowledge English-language encyclopaedia.
New!!: Chaetognatha and Encyclopædia Britannica · See more »
Epidermis (zoology)
In zoology, the epidermis is an epithelium (sheet of cells) that covers the body of an eumetazoan (animal more complex than a sponge).
New!!: Chaetognatha and Epidermis (zoology) · See more »
Fish fin
Fins are usually the most distinctive anatomical features of a fish.
New!!: Chaetognatha and Fish fin · See more »
Ganglion
A ganglion is a nerve cell cluster or a group of nerve cell bodies located in the autonomic nervous system and sensory system.
New!!: Chaetognatha and Ganglion · See more »
Gnathifera (clade)
Gnathifera is an assemblage of phyla of platyzoans comprising the rotifers (Bdelloidea, Monogononta, Seisonidae), acanthocephalans, and gnathostomulids.
New!!: Chaetognatha and Gnathifera (clade) · See more »
Hermaphrodite
In biology, a hermaphrodite is an organism that has complete or partial reproductive organs and produces gametes normally associated with both male and female sexes.
New!!: Chaetognatha and Hermaphrodite · See more »
Homology (biology)
In biology, homology is the existence of shared ancestry between a pair of structures, or genes, in different taxa.
New!!: Chaetognatha and Homology (biology) · See more »
Karl Grobben
Karl Grobben (August 27, 1854, Brno – April 13, 1945, Salzburg) was an Austrian biologist.
New!!: Chaetognatha and Karl Grobben · See more »
Larva
A larva (plural: larvae) is a distinct juvenile form many animals undergo before metamorphosis into adults.
New!!: Chaetognatha and Larva · See more »
Lateral line
The lateral line is a system of sense organs found in aquatic vertebrates, used to detect movement, vibration, and pressure gradients in the surrounding water.
New!!: Chaetognatha and Lateral line · See more »
Lophotrochozoa
Lophotrochozoa ("crest/wheel animals") is a clade of protostome animals within the Spiralia.
New!!: Chaetognatha and Lophotrochozoa · See more »
Lynn Margulis
Lynn Margulis (born Lynn Petra Alexander; March 5, 1938 – November 22, 2011) was an American evolutionary theorist and biologist, science author, educator, and popularizer, and was the primary modern proponent for the significance of symbiosis in evolution.
New!!: Chaetognatha and Lynn Margulis · See more »
Maotianshan Shales
The Maotianshan Shales are a series of Early Cambrian deposits in the Chiungchussu Formation, famous for their Konservat Lagerstätten, deposits known for the exceptional preservation of fossilized organisms or traces.
New!!: Chaetognatha and Maotianshan Shales · See more »
Marine worm
Any worm that lives in a marine environment is considered a marine worm.
New!!: Chaetognatha and Marine worm · See more »
Microtubule
Microtubules are tubular polymers of tubulin that form part of the cytoskeleton that provides the cytoplasm of eukaryotic cells and some bacteria with structure and shape.
New!!: Chaetognatha and Microtubule · See more »
Nature (journal)
Nature is a British multidisciplinary scientific journal, first published on 4 November 1869.
New!!: Chaetognatha and Nature (journal) · See more »
Neurotoxin
Neurotoxins are toxins that are poisonous or destructive to nerve tissue (causing neurotoxicity).
New!!: Chaetognatha and Neurotoxin · See more »
Oesia
Oesia disjuncta is a monospecific genus known from the Middle Cambrian Burgess Shale.
New!!: Chaetognatha and Oesia · See more »
Ommatidium
The compound eyes of arthropods like insects, crustaceans and millipedes are composed of units called ommatidia (singular: ommatidium).
New!!: Chaetognatha and Ommatidium · See more »
Ovary
The ovary is an organ found in the female reproductive system that produces an ovum.
New!!: Chaetognatha and Ovary · See more »
Oviduct
In vertebrates, other than mammals, the passageway from the ovaries to the outside of the body is known as the oviduct.
New!!: Chaetognatha and Oviduct · See more »
Oxford University Press
Oxford University Press (OUP) is the largest university press in the world, and the second oldest after Cambridge University Press.
New!!: Chaetognatha and Oxford University Press · See more »
Pennsylvanian (geology)
The Pennsylvanian (also known as Upper Carboniferous or Late Carboniferous) is, in the ICS geologic timescale, the younger of two subperiods (or upper of two subsystems) of the Carboniferous Period.
New!!: Chaetognatha and Pennsylvanian (geology) · See more »
Peritoneum
The peritoneum is the serous membrane that forms the lining of the abdominal cavity or coelom in amniotes and some invertebrates, such as annelids.
New!!: Chaetognatha and Peritoneum · See more »
Pharynx
The pharynx (plural: pharynges) is the part of the throat that is behind the mouth and nasal cavity and above the esophagus and the larynx, or the tubes going down to the stomach and the lungs.
New!!: Chaetognatha and Pharynx · See more »
Phragmophora
Phragmophora is an order of sagittoideans in the phylum Chaetognatha.
New!!: Chaetognatha and Phragmophora · See more »
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.
New!!: Chaetognatha and Phylogenetic tree · See more »
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.
New!!: Chaetognatha and Plankton · See more »
Proceedings of the Royal Society
Proceedings of the Royal Society is the parent title of two scientific journals published by the Royal Society.
New!!: Chaetognatha and Proceedings of the Royal Society · See more »
Protoconodont
Protoconodonts are an extinct taxonomic group of conodonts or, possibly, Chaetognaths.
New!!: Chaetognatha and Protoconodont · See more »
Protohertzina
Protohertzina is a genus of conodonts (protoconodonts or paraconodonts) or, possibly, Chaetognaths, found at the beginning of the Cambrian explosion.
New!!: Chaetognatha and Protohertzina · See more »
Protostome
Protostomia (from Greek πρωτο- proto- "first" and στόμα stoma "mouth") is a clade of animals.
New!!: Chaetognatha and Protostome · See more »
Rudolf Leuckart
Karl Georg Friedrich Rudolf Leuckart (7 October 1822 – 22 February 1898) was a German zoologist born in Helmstedt.
New!!: Chaetognatha and Rudolf Leuckart · See more »
Science (journal)
Science, also widely referred to as Science Magazine, is the peer-reviewed academic journal of the American Association for the Advancement of Science (AAAS) and one of the world's top academic journals.
New!!: Chaetognatha and Science (journal) · See more »
Seminal vesicle
The seminal vesicles (glandulae vesiculosae), vesicular glands, or seminal glands, are a pair of simple tubular glands posteroinferior to the urinary bladder of some male mammals.
New!!: Chaetognatha and Seminal vesicle · See more »
Simple eye in invertebrates
A simple eye (sometimes called a pigment pit) refers to a type of eye form or optical arrangement that contains a single lens.
New!!: Chaetognatha and Simple eye in invertebrates · See more »
Spermatophore
A spermatophore or sperm ampulla is a capsule or mass containing spermatozoa created by males of various animal species, especially salamanders and arthropods, and transferred in entirety to the female's ovipore during reproduction.
New!!: Chaetognatha and Spermatophore · See more »
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.
New!!: Chaetognatha and Spermatozoon · See more »
Testicle
The testicle or testis is the male reproductive gland in all animals, including humans.
New!!: Chaetognatha and Testicle · See more »
Tetrodotoxin
Tetrodotoxin (TTX) is a potent neurotoxin.
New!!: Chaetognatha and Tetrodotoxin · See more »
The Biological Bulletin
The Biological Bulletin is a peer-reviewed scientific journal covering the field of biology.
New!!: Chaetognatha and The Biological Bulletin · See more »
The Journal of Experimental Biology
The Journal of Experimental Biology is a peer-reviewed scientific journal in the field of comparative physiology and integrative biology.
New!!: Chaetognatha and The Journal of Experimental Biology · See more »
Thomas Cavalier-Smith
Thomas (Tom) Cavalier-Smith, FRS, FRSC, NERC Professorial Fellow (born 21 October 1942), is a Professor of Evolutionary Biology in the Department of Zoology, at the University of Oxford.
New!!: Chaetognatha and Thomas Cavalier-Smith · See more »
Vertebrate
Vertebrates comprise all species of animals within the subphylum Vertebrata (chordates with backbones).
New!!: Chaetognatha and Vertebrate · See more »
Yunnan
Yunnan is a province of the People's Republic of China, located in the far southwest of the country.
New!!: Chaetognatha and Yunnan · See more »
Redirects here:
Arrow Worm, Arrow worm, Arrow worms, Arrowworm, Chaetognata, Chaetognath, Chaetognaths, Phylum chaetognatha, Sagitta arrowworm, Sagittoidea.
References
[1] https://en.wikipedia.org/wiki/Chaetognatha
