The evolution of similar insulating skin coverings such as fur, hair, and feathers in mammals and birds is a result of

a) shared ancestry
b) convergent evolution
c) homology
d) evolutionary divergence

C

Explanation:

It is believed that these skin features evolved from their reptilian ancestors, also from which scales share a common homology. The common ancestor is a primordial structure referred to as 'placode' that occurs in all the developing embryos in these vertebrates.

this is a good question! i'll do some research and come back when i have the answer!

c. is the correct answer