Nitrogen Cycle
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13 terms
Terms | Definitions |
|---|---|
Nitrogen | What is transformed into compounds that can be used by living organisms? |
The atmosphere | Where can be Nitrogen be found? |
Nitrogen | When organisms die, decomposers return what? |
To the atmosphere | The returning of ntirogen to where helps complete the cycle? |
Nitrogen | What makes up 78% of our air? |
78% | Nitrogen makes up this amount of our air? |
Most living organisms | Who are unable to use nitrogen as it exists in the atmosphere? |
Volcanos, trees, clouds/rain | What releases nitrogen in the atmosphere? |
Decomposing bacteria | What forms nitrogen compounds? |
Nitrogen | What helps fix bacteria in roots? |
Form nitrogen compounds | What happens when an animal dies, animals waste, leaves decay? |
Blue-green bacteria | What can Nitrogen help fix? |
Shallow-water sediments | Where can Nitrogen settle? |
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