OBJECTIVE LIFE SCIENCE
ECOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following has a direct role in the nitrogen cycle?
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bacteria
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legumes
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decomposers
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all of the above
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Explanation:
Detailed explanation-1: -Answer. NITRIFYING BACTERIA has a direct and important role in the nitrogen cycle.
Detailed explanation-2: -Overview: The nitrogen cycle involves three major steps: nitrogen fixation, nitrification, and denitrification.
Detailed explanation-3: -Nitrogen is returned to the atmosphere by the activity of organisms known as decomposers. Some bacteria are decomposers and break down the complex nitrogen compounds in dead organisms and animal wastes. This returns simple nitrogen compounds to the soil where they can be used by plants to produce more nitrates.
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