Makenzie T.

asked • 01/14/20

science class 3rd

Below is a diagram indicating the limb bones of a crocodile, a bat, a whale, and a bird. Similar bones are highlighted in the same colors.

Crocodiles, bats, whales, and birds have similar limb bones. What do these similarities suggest?


A similar limb structure evolved in each species independently and by chance.


The common ancestor of birds and crocodiles was a whale.


Crocodiles, bats, whales, and birds evolved from a common ancestor.


Bats and crocodiles share an ancestor with whales but not with birds.

1 Expert Answer


Paul H. answered • 10/06/20

4.8 (22)

Patient, Caring PhD Tutor: Geology, Science, Math

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