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Crocodile and penguin are similar to wha...

Crocodile and penguin are similar to whale and dog fish in which one of the following features?

A

Posses a solid single stranded central nervous system

B

Lay eggs and guard them till they hatch

C

Posses bony skeleton

D

Have gill slits at some stage

Text Solution

Verified by Experts

The correct Answer is:
D
Crocodile, penguin, whale and dog fish are all chordates and have pharyngeal gill slits at some stage of life history. This is the characteristic feature of chordates.
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