A History of Mass Extinctions on Earth

shared by rmmojado on Mar 25, 2012 in Science

A History of Mass Extinctions on Earth

shared by rmmojado on Mar 25, 2012 in Science

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Humans may have evolved during an unusual period of relative climate stability (despite those ice ages). What you see here are the biggest mass extinctions in Earth history and their places in the maj...
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Category: Science

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