Friday, August 19, 2016

A Walk Through Water Before Reaching Land

African Lungfish Study Indicates That Walking Evolved in the Water

Roughly 400 million years ago, an ancient lobe-finned fish left its watery habitat to become the first four-limbed terrestrial creature. Its descendants - which are called tetrapods and include tree frogs, blue jays and human beings - typically get around by stepping, flying or jumping.

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