Question

which statement about the evolution of mammals is true? A. Mammals can only walk on land. B. Mammals have homologous structures. C. Mammals come from more than one common ancestor. D. All mammals have vestigial structures

Answer 1

Explanation:

By definition, features that are shared due to a common ancestor are homologous structures.

Now, notice that all mammals share the homologous structure of the vertebrae in common.

Thus, we can conclude that the correct answer is:

Answer:

B. Mammals have homologous structures.