First slide

Classification of Animals

Question

The vertebral column developes from which of the following structures?

Easy

A

Neural canal
B

Archenteron
C

Notochord
D

Blastocoel

Solution

Vertebral column developes from notochord which is a mesodermally derived rod-like structure present in the embryonic stage.
The members of subphylum Vertebrata possess notochord during the embryonic period. The notochord is replaced by a cartilaginous or bony vertebral column in the adult. Thus all vertebrates are chordates but all chordates are not vertebrates

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