Question

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?(1 point)
Responses

All finch species evolved from a common ancestor.
All finch species evolved from a common ancestor.

Finch species interbreed.
Finch species interbreed.

Each finch species evolved from a different ancestor.
Each finch species evolved from a different ancestor.

Finch species have similar diets.
Finch species have similar diets.

Answer 1

All finch species evolved from a common ancestor.

Explanation: This is adaptive radiation — one ancestral species diversified into multiple species with different beak sizes/shapes adapted to different food sources.