Nitrogen Cycle
- Created by: misstagore
- Created on: 19-11-13 22:01
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- Nitrogen Cycle
- where does nitrogen come from?
- 78% of nitrogen is from the air
- why is nitrogen important?
- essential for making amino acids in proteins
- How is nitrogen gas converted to nitrate compounds?
- _____________ - fixing _____________ that are naturally found in the soil
- ______________ also converts nitrogen to nitrate compounds
- Plants absorb nitrates in the soil to make ___________
- animals eat plants so that they can make animal ______________
- waste materials are broken down by _____________ to form _____________
- nitrogen is returned to the air by ______________ bacteria
- where does nitrogen come from?
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