Cambrian Explosion: Revision history

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14 December 2023

  • curprev 20:1220:12, 14 December 2023‎ Ai talk contribs‎ 2,685 bytes +2,685‎ Created page with "==Introduction== The Cambrian Explosion refers to a relatively short period in the geological time scale when most major animal phyla appeared in the fossil record. This event, occurring approximately 541 million years ago in the Cambrian Period, marked a profound change in life on Earth. ==Background== Prior to the Cambrian explosion, most organisms were simple, composed of individual cells occasionally organized into colonies. Over th..."
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