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Q&A Whale-Tail and Seal-Legs in One Animal

In marine mammals, there are two different body types for two different niches: A long, strong tail for all-marine whales... ...and all four legs modified into flippers for pinnipeds that fee...

3 answers  ·  posted 6y ago by JohnWDailey‭  ·  last activity 6y ago by JohnWDailey‭

Question biology reality-check mammals