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Chordates

A phylum including organisms with bilateral symmetry and a nerve cord among other traits.

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Chordates

Hank introduces us to ourselves by taking us on a journey through the fascinatingly diverse phyla known as chordata. And the next time someone asks you who you are, you can give them the facts: you're a mammalian amniotic tetrapodal sarcopterygian osteichthyen gnathostomal vertebrate cranial chordate.

Courtesy of crashcourse

 

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