Question

What do scientists think about the common ancestor of whales and hippos?(1 point)
Responses

The animal lived in water.
The animal lived in water.

The animal lived millions of years ago.
The animal lived millions of years ago.

The animal had two limbs.
The animal had two limbs.

The animal is still alive today.

Answer 1

The animal lived in water.

(Scientists think the whale–hippo common ancestor was semi-aquatic and lived millions of years ago; it would have had four limbs and is now extinct.)