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The Artful Amoeba

Funnel-Shaped Animals Invented Reefs Prior to Cambrian Explosion

Ediacaran reef Penny et al 2014 Fig 2 closeup_200

Scientists have long thought of the Cambrian Explosion 541 million years ago as the flowering of complex life on Earth. Strangely shaped, large soft-bodied organisms were known to have lived in the period just prior — the Ediacaran — but they made few hard parts and scientists have debated whether any or how many were [...]

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