Answer:Nitrogen-fixing bacteria are microorganisms capable of transforming atmospheric nitrogen into fixed nitrogen (inorganic compounds usable by plants).
A commonly known fact : More than 90 percent of all nitrogen fixation is effected by these organisms, which thus play an important role in the nitrogen cycle.
Explanation: Hope it helps:)
The role of nitrogen-fixing bacteria in the nitrogen cycle is to convert atmospheric nitrogen to ammonia, which can then be taken up by plants.
Nitrogen cycle can be defined as a repeating biogeochemical process which typically involves the interconversion (circulation) of nitrogen and its chemical compounds by the actions of both living organisms and non-living things in the environment such as:
In Science, nitrogen-fixing bacteria refers to the microorganisms that are responsible for providing plants with the vital nutrients that can't be obtained from the atmosphere (air).
In conclusion, nitrogen-fixing bacteria are typically responsible for the conversion of atmospheric nitrogen to ammonia during nitrogen cycle, which can then be taken up by plants.
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