The hypothesis that whales evolved from land-dwelling ancestors is supported by __________.

a. evidence from the current biogeographic distribution of whales
b. molecular comparisons of whales and fish
c. fossils of extinct whales that had increasingly reduced hind limbs
d. historical accounts of walking whales
e. the ability of captive whales to be trained to walk


Answer: c. fossils of extinct whales that had increasingly reduced hind limbs

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