First slide

Classification of Animals

Question

Statement 1 All vertebrates are chordates.
Statement 2 All chordates are vertebrates.

Moderate

A

Both Statement 1 and Statement 2 are correct.
B

Both Statement 1 and Statement 2 are incorrect.
C

Statement 1 is correct and Statement 2 is incorrect.
D

Statement 1 is incorrect and Statement 2 correct.

Solution

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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