The dry skin of reptiles is covered with scales to prevent water loss as an adaptation to terrestrial life. The hind limbs of birds also have scales, which confirm their reptilian ancestry.
Which one of the following in birds, indicates their reptilian ancestry?
NEET UG 2008 — Zoology Evolution
2008mcqmedium
Which one of the following in birds, indicates their reptilian ancestry?
Official previous-year question
Held on 30 Apr 2008 · Verified 9 Jul 2026.
Options
- A
Scales on their hind limbs
- B
Four chambered heart
- C
Two special chambers crop and gizzard in their digestive tract
- D
Eggs with a calcareous shell
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