There are 13 species of Darwin’s finches on the Galapagos Islands. They have many similar features but differ in beak size and shape. Which explanation accounts for these characteristics?

Question

options:

Finch species have similar diets.

All finch species evolved from a common ancestor.

Finch species interbreed.

Each finch species evolved from a different ancestor.

Answer 1

All finch species evolved from a common ancestor.