Scientists think that dolphins and whales may have evolved from a
common ancestor. What evidence supports this hypothesis?
A) They swim the same way.
B) They have similar anatomies.
C) They live in the same area of the ocean.
D) They eat food the same way.

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aleynaleblanc22 aleynaleblanc22 · Answer 1 · 2021-03-09T21:23:18+01:00

B is the answer because they have similar body structures.

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mahima6824soni mahima6824soni · Answer 2 · 2022-03-28T20:15:59+02:00

Scientists think that dolphins and whales may have evolved from a common ancestor because they have similar anatomies.

A common means different animals now, have evolved from a single ancestor or animal.

These animals may share common characters and structures.

Whales, dolphins, and porpoises are evolved from a common ancestor; cetacean.

The animals that evolved from cetaceans are all aquatic, primitive cetaceans were amphibians too.

Thus, the correct option is B) They have similar anatomies.

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