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Title: The nitrogen cycle
Description: This is notes about the nitrogen cycle and how it helped me to get a A in my test hope it helps you as well
Description: This is notes about the nitrogen cycle and how it helped me to get a A in my test hope it helps you as well
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The Nitrogen Cycle
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Nitrogen, just like carbon, is constantly being recycled
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The gas is very unreactive and can't be used directly by plants or animals
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Plants absorb nitrates from the soil and use them to make protein for growth
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There are two natural nitrogen fixation processes:
Lightninz
1
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Rain carries the nitrates into the soil
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Nitrogen Fixing Bacteria
These bacteria live in the soil and in root, ogdules of plants called legumes (peas, beans and
clover)
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The legume plants and bacteria share a Ba¿tualistic relationship
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There are three other types of bacteria involved in the nitrogen cycle
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Decomposer Bacteria
These are bacteria found in the soil and they break down dead plants and animals
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2
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Nitrifying bacteria —
change the ammonia (NH3) in decaying matter into nitrates (N03)
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These bacteria are of no benefit to plants or
animals
Title: The nitrogen cycle
Description: This is notes about the nitrogen cycle and how it helped me to get a A in my test hope it helps you as well
Description: This is notes about the nitrogen cycle and how it helped me to get a A in my test hope it helps you as well