Question

From a lifetime of observation, you know that birds have feathers. What is the MOST likely explanation for how feathers evolved?

Feathers evolved because of their value for flight

Feathers evolved because it is not possible to fly without them, so wings would not have evolved it feathers had not devetoped first.

Feathers developed from a random mutation in a developmental gene, which allowed a full wing to form once it was turned on and fully expressed

Feathers evolved because they helped to insulate birds and served other functions, then were later nelpful in flying and became more specialized for that purpose.

(1 point)

Answer 1

[AI-generated answer — Bot GPT 3.5]

Feathers evolved because they helped to insulate birds and served other functions, then were later helpful in flying and became more specialized for that purpose.