First slide

Classification of Animals

Question

Which of the following is not a fundamental chordate character?

Easy

A

Notochord
B

Dorsal heart
C

Hollow nerve cord
D

Postanal tail

Solution

The notochord, dorsal tubular nerve cord, pharyngeal gill-slits and post-anal tail are the fundamental chordate characters. The heart in chordates is ventral (not dorsal).

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