Question

In the beginning, about 4 billion years ago cellular life originated on earth. What is the name of the bacteria that is first known to have been present on earth? ​

Answer 1

Explanation:

Cyanobacteria, also known as blue-green algae started out on earth quite a while ago. Possible Fossil examples have been found in in rocks that are around 3500 million years old, in Western Australia. The first autotrophic bacteria, very similar to 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:

Cyanobacteria

Explanation:

Also known as blue-green algae, started out on Earth quite a while ago. Possible fossil examples have been found in rocks that are around 3500 million years old, in Western Australia.