why are bacteria needed in the nitrogen cycle ?
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why are bacteria needed in the nitrogen cycle
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Bacteriology
2 years
2022-11-14T08:54:58+00:00
2022-11-14T08:54:58+00:00 1 Answer
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Bacteria play a crucial role in the nitrogen cycle because they are responsible for converting nitrogen from one form to another, making it available for use by plants and other organisms. Specifically, certain types of bacteria, known as nitrogen-fixing bacteria, have the unique ability to convert atmospheric nitrogen gas (N2) into a form of nitrogen that plants can absorb and utilize, such as ammonia (NH3) or nitrate (NO3-). This process, called nitrogen fixation, is essential for the growth and development of plants because nitrogen is a vital nutrient required for their survival. Additionally, other types of bacteria in the soil are involved in processes such as nitrification and denitrification, which further transform nitrogen compounds, helping to maintain a balance of nitrogen in the environment. Overall, bacteria are integral to the nitrogen cycle as they facilitate the conversion of nitrogen between different forms, ensuring that it remains available for living organisms.