News From the Field
Algae, Bacteria Hogged Oxygen After Ancient Mass Extinction, Slowed Marine Life Recovery

March 24, 2011

After the biggest mass extinction in Earth's history--250 million years ago, algae and bacteria in the ocean rebounded so fast that they consumed virtually all the oxygen in the sea, slowing the recovery of the rest of the marine animals for several million years. Full Story

Source
Stanford University

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