what are chordates ?
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A chordate is an animal of the phylum Chordata. During some period of their life cycle, chordates possess a notochord, a dorsal nerve cord, pharyngeal slits, and a post-anal tail: these four anatomical features define this phylum
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Chordate is a term that refers to all the animals that have notochord.
Phylum Chordate is characterized by the presence of :-
- notochord
- dorsal hollow nerve cord
- paired pharyngeal gill slits
- bilateral symmetry, triploblastic organization, and coelom
- organ system level of organisation.
- post anal tail
- closed circulatory system
Phylum Chordate is further divided into protochordata and vertebrata.
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