What do scientists think about the common ancestor of whales and hippos?(1 point) Responses The animal had two limbs. The animal had two limbs. The animal lived millions of years ago. The animal lived millions of years ago. The animal is still alive today. The animal is still alive today. The animal lived in water.

The animal is believed to have lived millions of years ago and is no longer alive today. Scientists believe that this common ancestor of whales and hippos was a land-dwelling mammal with four limbs.