Question

SCIENCE: EVOLUTION; ARE Whales and Hippos Related?

What do scientists think about the common ancestor of whales and hippos?

1. The animal had two limbs.
2. The animal is still alive today.
3. The animal lived in water.
4. The animal lived millions of years ago.

Answer 1

[AI-generated answer — Bot GPT 3.5]

Scientists believe that the common ancestor of whales and hippos was a land-dwelling animal that had four limbs. However, research has shown that this ancestor gradually transitioned to an aquatic lifestyle, eventually evolving into modern whales. Therefore, the common ancestor of whales and hippos is now extinct and lived millions of years ago.