PLEASE QUICK ASAP Finches who developed thicker and broader beaks
likely did so due to a change in their food availability.
This could be advantageous to the finches...

Finches with broader, thicker beaks were better adapted to the islands than any other type of beaked finch.

Finches with broader, thicker beaks were able to eat larger and harder
foods like large seeds.

Finches with thinner, narrower beaks were able to eat larger and
harder foods like large seeds.

Finches with broader, thicker beaks were able to eat more fruits.