Download Biology Nitrogen Cycle Definition Background. The conversion of nitrogen can be carried out through both biological and physical processes. Nitrogen cycle in the largest biology dictionary online.
Nitrogen Cycle | Nitrogen cycle, Carbon sequestration, Nitrogen from i.pinimg.com The circulation of nitrogen in nature, consisting of a cycle of chemical reactions in which nitrogen from the atmosphere is fixed in compounds in soil or water, assimilated by plants and animals, released to the. Even though nitrogen gas makes up most of earth's atmosphere, plants cannot use this nitrogen gas to make organic compounds for themselves and other organisms. This nitrogen molecule is converted into nitrates and nitrites which can be taken up and used to make the required molceule.
However, gaseous nitrogen must be fixed into another form so.
Nitrogen cycles between the atmosphere and living things. The circulation of nitrogen in nature, consisting of a cycle of chemical reactions in which nitrogen from the atmosphere is fixed in compounds in soil or water, assimilated by plants and animals, released to the. Plants cannot use free nitrogen present in the air. Free learning resources for students covering all major areas of biology.
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