Cambrian explosion

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Science and technology

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What Wikipedia says

The Cambrian explosion (also known as the Cambrian radiation or Cambrian diversification) is an interval of time beginning approximately 538.8 million years ago in the Cambrian period of the early Paleozoic, during which a sudden radiation of complex life occurred.

Excerpt from the Wikipedia article “Cambrian explosion”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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