Phylum Chordata
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Notochord
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Dorsal, hollow nerve
cord
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Pharyngeal slits
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Muscular postanal
tail
1.
A longitudinal, flexible rod located between the gut and the nerve cord
2.
Develops in the embryo; unique to chordates
3.
Found posterior to the mouth; used for gas exchange in some animals
4.
A tail extending beyond the anus.
