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Tuesday 29 March 2011

Wed, March 30, 2011 3:14:27 AM Algae, Bacteria Hogged Oxygen After Ancient Mass Extinction, Slowed Marine Life Recovery ... From: National Science Foundation Update ... View Contact To: thomas.john9825@yahoo.com Algae, Bacteria Hogged Oxygen After Ancient Mass Extinction, Slowed Marine Life Recovery

fter 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.

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