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

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?

• All finch species evolved from a common ancestor.
• Finch species interbreed.
• Finch species have similar diets.
• Each finch species evolved from a different ancestor.

Answer 1

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?

The correct explanation is: All finch species evolved from a common ancestor.