These Chinese fossil deposits shed light on an explosive period in evolution


complex underwater life

Tracking the Cambrian Explosion, when the oceans first filled with complex animal life.

The speed of transition seemed so shockingly abrupt that it amazed and worried even Charles Darwin. It has long been called the “Cambrian explosion." We now know it was…
via Popular Science "https://ift.tt/2U0kfm0"

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