Humans speeding up evolution by causing extinction of ‘younger’ species

Tuesday, February 23, 2016 - 11:50 in Biology & Nature

Just three years after crayfish were introduced to a B.C. lake, two species of fish that had existed in the lake for thousands of years were suddenly extinct. But it’s what took their place that has scientists fascinated. New research from UBC shows that when humans speed up the usually slow process of evolution by […]

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