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The Nitrogen Cycle
Terms in this set (10)
Nitrogen is a building block of these, a component of protein in al living things.
80% of this consists of nitrogen, making it the largest reservoir of this element on Earth.
Only certain bacteria, volcanic action, and this can break down nitrogen in the air and convert it into a form that enters food webs.
Nitrogen is fixed into the soil for plants to use through the activities of this.
Plants use nitrogen in the soil as they grow. Directly or indirectly, plants are the only nitrogen source for these.
During this procces bacteria and fungi break down wastes and remains of organisms into ammonia.
This process occurs when water in the soil moves out of an area, taking the dissolved nitrogen and other nutrients with it.
This plant crop is able to fix nitrogen from the atmosphere into the soil.
During this procces bacteria convert nitrogen from the atmosphere into the soil.
When plants and animals die, their nitrogen compounds are broken down into this.
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THIS SET IS OFTEN IN FOLDERS WITH...
Section 3 -- Plant Nutrition & Transport
Section 8 -- Ecology
body defence mechanism
nature of science