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Because whales do not walk, their pelvic bones are examples of unused structures.

A: True
B: False

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Answer:

Hips don't lie: Whale pelvic bones are not vestigial but instead evolved to help the marine mammals maneuver better during sex. Whales have especially small pelvic bones compared to their body size. “Contrary to popular belief, these are not vestigial structures. They do have a function.

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User Pablo Oliva
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