Paul Smiths, NY, Nov 01, 2012 — Whales are relatively new to the ocean. Fossil evidence allows evolutionary biologists to trace the whale's transformation from land mammal into air-breathing ocean dweller. Today's whales still carry a legacy of their landed past in a vestigial pelvis, femur, and other typical anatomical traits. Martha Foley and Dr. Curt Stager dig into a big topic.
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