ANIMALS WITH DORSAL NERVE CORDS ARE CALLED A) PHYLA. B) CHORDATES....

23) Animals with dorsal nerve cords are called

A) phyla.

B) chordates.

C) vertebrates.

D) mammals.

E) amphibians.

Answer: B

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Diff: 2 Page Ref: 27

Topic: 2.2 Human Evolution

Type: (Factual)