Question

What changed about the finches that Darwin observed that allowed them to fill a variety of niches?
A. Their feather color

B. Their beak shape

C. The location of their eyes on their head

D. The speed at which they could run​

Answer 1

Answer:

B. Their beak shape

Explanation:

These birds, although nearly identical in all other ways to mainland finches, had different beaks. Their beaks had adapted to the type of food they ate in order to fill different niches on the Galapagos Islands. Their isolation on the islands over long periods of time made them undergo speciatio