
The Cambrian Explosion, which occurred around 550 million years ago, marked a dramatic shift in the complexity and diversity of life on Earth, transitioning from simple, single-celled organisms to the emergence of large, multicellular plants, animals, and fungi.


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For billions of years on Earth, life was limited to simple unicellular, non-differentiated organisms. In a mere flash, that changed…

What was it like when life on Earth became complex?

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The Emergence of Complex Life on Earth: A Remarkable Transition in the Planet's Evolutionary History
