They swim the same way. They eat the same food. They live in the same area of the ocean. They have similar anatomies.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Scientists think that dolphins and whales may have evolved from a common ancestor. What evidence supports this hypothesis?
Possibilities:
- They swim the same way.
- They eat the same food.
- They live in the same area of the ocean.
- They have similar anatomies.

They have similar anatomies.