Question

Reuben learned that whale embryos and the embryos of many land animals have hind limbs. What can Reuben conclude based on what he learned?
A.
Whales are born with legs that are lost as adults.
B.
Whales are related to land animals.
C.
Whales can move by walking or swimming.
D.
Whales can live in water or on land.

Answer 1

Based on what Reuben learned about whale embryos and the embryos of many land animals having hind limbs, the most accurate conclusion he can draw is:

**B. Whales are related to land animals.**

This conclusion is supported by the fact that the presence of hind limbs in whale embryos suggests a common ancestry with land animals that have limbs.