The fossil record suggests that whales
once had well-developed hind flippers.
are descended from one branch of marine reptiles.
are not closely related to dolphins and porpoises, despite a superficial similarity.
are closely related to land mammals such as pigs, hippos, and cows.

Question

The fossil record suggests that whales
	once had well-developed hind flippers.
	are descended from one branch of marine reptiles.
	are not closely related to dolphins and porpoises, despite a superficial similarity.
	are closely related to land mammals such as pigs, hippos, and cows.

anonymous · Answer

Is there an image or a diagram that it gives?

sarahc · Answer

nope:/

sarahc · Answer

my guess is d..

anonymous · Answer

ok so my best guess would be d as well because they say it is very possible whales had legs even though i dont believe it

sarahc · Answer

alrighty, thanks! ill go with it

anonymous · Answer

ok