~3.0 BYA → Photosynthesis begins
Bacteria Photosynthesis begins
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Bacteria Photosynthesis begins
~3 Billion years ago
Photosynthetic experiments
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About 3 billion years ago, bacteria started experimenting with photosynthesis.
Subject: Bacteria Evolution.
By 3 billion years ago, bacteria were experimenting with photosynthesis. The complex water-splitting photosynthesis we see today likely only evolved once and is known as oxygenic. A simpler version called anoxygenic was beta-tested by many different bacteria first.
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