Environment & Ecology · Environmental Science

During which geological era/eon did photosynthesizing cyanobacteria first evolve?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Paleozoic
2Cenozoic
3Precambrian✓
4Mesozoic

Correct answer

Precambrian

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During which geological era/eon did photosynthesizing cyanobacteria first evolve?

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