First slide

Classification of Animals

Question

Which among the following is true?

Easy

A

All chordates have a solid nerve cord.
B

All vertebrates lack cranium.
C

All chordates are vertebrates.
D

All vertebrates are chordates.

Solution

All vertebrates are chordates. All chordates are not vertebrates because protochordates lack a vertebral column.
Chordates have dorsal hollow nerve cord.
All vertebrates have a cranium. Hence, Vertebrata is also called Craniata.

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