Question

mammals are a large group of animals that includes humans, apes, dolphins, bears, bats, cats, and much more. which statement can be made about this information? all mammals use echolocation to find food. some mammals use echolocation to avoid obstacles. all mammals use walking as their primary means of transportation. some mammals need to find food to survive.

Explanation:

• Option A: Not all mammals use echolocation. For example, humans, bears, and cats do not use echolocation to find food.
• Option B: Bats and dolphins (which are mammals) use echolocation to avoid obstacles. Since the group of mammals is large and includes these two, this statement is valid.
• Option C: Dolphins (which are mammals) do not use walking as their primary means of transportation. They swim.
• Option D: All mammals need to find food to survive, not just some.

Answer:

B. Some mammals use echolocation to avoid obstacles.