7 years ago
This Cyanobacteria Struck Out on its Own to Create All Life
All life on Earth owes its existence to a single class of Cyanobacteria that took it upon itself to learn photosynthesis. A new study shows that around 2.5 billion years ago, a certain enterprising bacteria diverged from its non-oxygen-producing forebears to become the first oxygen-producing one, a split which might have taken place multiple times in Earth’s early history. It was only after this divergence that modern life emerged.
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