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Why do we have fingers? Skeletons, Evolution, and Biology

By |2017-05-28T00:38:23+00:00May 28th, 2017|Biology|

Human hand bones The first fingers and toes evolved from earlier fish fins about 400 million years ago. During the Devonian period, the oceans were very shallow, and some fish evolved to be able to push themselves out of the water to breathe the air. For this, they needed stronger fins that they [...]