which of these is a structural adaptation a.) a pointed beak b.) swarming, c.) the ability to hunt, d.) migrating

sorry to break it to ya but no one can answer your question it's just

jk but i am serious about the part that most people cant answer it beacuse you did not mention the section you are talking about. but it would if you added some detail and were a bit more specific.

i think the answer is a.keratin is the pigment responsible for skin color.

ever get the answers? im stuck on this as well