What was the evolutionary advantage of the modification of scales on reptiles to feathers on ancestral birds?

a. The feathers helped retain body heat.
b. Feathers provided a better means of expressing mating behavior.
c. Feathers provided flight.
d. Feathers made birds that evolved early less likely to become prey.
e. Feathers provided camouflage for nesting birds.


Ans: a. The feathers helped retain body heat.

Biology & Microbiology

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