Nitrogen Cycle Concept Map

Show transcribed image text expert answer. This study was funded by the usgs’s toxic substances hydrology program. 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.the two nitrogen atoms in a molecule of nitrogen gas are held together by a very stable triple bond.

Free living nitrogen fixing bacteria, otherwise known as. Nitrogen cycles slowly, stored in reservoirs such as the atmosphere, living organisms, soils, and oceans along its way. During the cycle, certain bacteria ‘fix’ atmospheric nitrogen into ammonia, which plants need in order to grow.

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Show transcribed image text expert answer. The nitrogen cycle moves nitrogen through the abiotic and biotic parts of ecosystems. Flow of nitrogen in the ecosystem. The nitrogen cycle is a biogeochemical process in which nitrogen, in various forms, is circulated from the atmosphere to the living organisms and later back to the atmosphere.