Question

Which bacterium was the first on Earth?​

Answer 1

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Which bacterium was the first on Earth?

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The first autotrophic bacteria, very similar to the current cyanobacteria, appeared approximately 2 billion years ago. Photosynthesis occurred in these organisms and this is how the atmosphere was enriched with precious oxygen.

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Answer 2

Answer:

cynobacteria it was the 1st bacteria found on earth