Nitrogen gas is more abundant in our atmosphere than oxygen! However, nitrogen needs to be converted into different forms to be used by many organisms. Bacteria are highly involved in this. Describe the role of A bacteria fixing nitrogen and they live symbiotically with some plant species, B nitrifying bacteria, and C denitrifying bacteria in the nitrogen cycle.

Explanation:

A) The role of bacteria fixing nitrogen is very important because it fixes atmospheric nitrogen in the roots of plants. For example, Azotobacter is a bacteria which lives in the root of the higher plants. The bacteria fixes nitrogen for the plant and the plant gives habitat and food to the bacteria and hence, both get benefit.

d

explanation:

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explanation: