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Biology 8 Online
OpenStudy (anonymous):

Whales, snakes, and dolphins all have vestigial (organs that are no longer used) bones that indicate they once had hind limbs. Living whales, snakes and dolphins do not have hind limbs. this is an example of: macroevolution genetically modified organism genetic drift microevolotion none of the above are correct

OpenStudy (anonymous):

Macroevolution

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