Question

Which organisms Changed Earth's atmosphere from reducing to oxidising type?

Answer 1

It is assumed that the single one celled organisms that resembled cyanobacteria of today came into existence 3.6 billion years ago and was responsible for changing  Earth's atmosphere from reducing to oxidising type.

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Answer 2

The cyanobacteria all the blue green algae changed the earth atmosphere from reducing to oxidising type.

Explanation:

• it is said that cyanobacteria is one of the earliest creature to have been award on Earth. This is because the requirement that cyanobacteria needs for living is very less. In addition to this cyanobacteria also have the capability to to utilise the sunlight to liberate energy. As a result of this cyanobacteria releasedlarge amount of oxygen into the earth's atmosphere resulting in the change of each state from reducing to oxidising type.

To know more about cyanobacteria,

Why blue green Algae are called cyanobacteria?

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