Question

Question 20
In studying humans, whales, and horses, which of the following set of similarities would be evidence for the most recent common ancestor?

a. they all have hair.
b. they all have internal skeletons.
Selected:c. they are all mammals.This answer is incorrect.
d. they all have similar bones in their limbs.

Answer 1

The correct answer is d. they all have similar bones in their limbs. Similarities in the anatomy of specific structures, such as limbs, provide stronger evidence for a recent common ancestor compared to more general characteristics like being mammals.