How To Use Chordata In A Sentence
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For example, the notochord is a character that provides internal structural support and unites all members of the phylum Chordata or chordates, animals with notochords and pharyngeal arches, among other characteristics.
Haeckel had a point - The Panda's Thumb
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Technically an invertebrate, amphioxus is classified in subphylum Protochordata, phylum Chordata.
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The immediate outgroup of craniates, the Cephalochordata, show strong asymmetry during development.
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The main assumption was that the neural or blastoporal surface must be homologous throughout the Metazoa, though it was dorsal in the Chordata, ventral in the Annelida and Arthropoda.
Form and Function A Contribution to the History of Animal Morphology
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We can repeat the exercise if you like for Metazoa, Chordata, etc.
A Disclaimer for Behe?
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He derived the central nervous system of the Chordata from the circumoral ring of the common ancestor by means of the hypothesis that both the pre-blastoporal and the post-blastoporal parts of it disappeared. [
Form and Function A Contribution to the History of Animal Morphology
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I'm animal, my phylum is chordata, my subphylum is vertebrate, my class is mammals, sublass theria, infraclass eutheria, within that I'm a primate, and within that I'm human.
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To give the idea of a subphylum, the entire Vertebrata are in the Linnean arrangement a subphylum of the phylum Chordata.
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I then would run my ancestry lines from Chordata (3) down to Metazoa (2) and from Metazoa to the ground line (1).
A Disclaimer for Behe?
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Mammals are then grouped with the classes of other backboned animals, such as reptiles, into a "subphylum," Vertebrata, which is part of the "phylum" Chordata, containing all animals which have a nerve chord at some time in their life cycle.
Lazarus, Elvis, zombies and Jimmy Hoffa
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A chordate marine animal of the subphylum Urochordata; a tunicate.
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The main assumption was that the neural or blastoporal surface must be homologous throughout the Metazoa, though it was dorsal in the Chordata, ventral in the Annelida and Arthropoda.
Form and Function A Contribution to the History of Animal Morphology
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Finally, the Chordata are placed with all the other phyla of living creatures that are multicellular and "heterotrophic" (meaning they have to eat), into a "kingdom," Animalia.
Lazarus, Elvis, zombies and Jimmy Hoffa
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The superphylum Deuterostomia contains the diverse phyla Chordata and Echinodermata and the minor phyla Hemichordata and Urochordata.
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Pelagic species were from the Chaetognatha, Cnidaria, Crustacea, Ctenophora, and Mollusca, and benthic species were from the Chordata, Crustacea, Mollusca, and Echinodermata.