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The Nitrogen Cycle (Nitrogen (Nitrogen fixation is the process of turning…
The Nitrogen Cycle
Nitrogen
Nitrogen fixation is the process of turning Nitrogen from the air into nitrogen contain ions which plants can use. The nitrogen fixing bacteria are in the roots and soil
Decomposers break down proteins in rotting plants and animals and urea in animal waste. This returns the nitrogen to the soil so nitrogen in the soil so then the nitrogen in these organisms is recycled
Plants absorb these mineral ions from the soil and use the nitrogen in them to make proteins. Nitrogen is then passed along food chains in the form of proteins as animals eat plants
Atmosphere contains 78% of nitrogen in the air. This is very unreactive and cannot be used directly from plants and animals
When the plants decompose, the nitrogen stored in them and their nodules is returned to the soil. Nitrogen ions can also leak out of the nodules during plant growth. The plants have a MUTUALISTIC RELATIONSHIP
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