Crocodile, penguin, whale and dogfish, all are chordates. So, all of these have gill slits at some stage of development.
Crocodile and penguin are similar to whale and dogfish in which one of the following features?
NEET UG 2010 — Zoology Evolution
2010mcqmedium
Crocodile and penguin are similar to whale and dogfish in which one of the following features?
Official previous-year question
Held on 30 Apr 2010 · Verified 9 Jul 2026.
Options
- A
possess a solid single-stranded central nervous system
- B
lay eggs and guard them till they hatch
- C
possess bony skeleton
- D
have gill slits at some stage
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