Nitrogen Cycle
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Assessment
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Jamie Parker
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Biology
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9th Grade
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47 plays
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Medium
Student preview
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7 questions
Show answers
1.
Multiple Choice
Our atmosphere is __________ nitrogen gas.
78%
ammonia
denitrificating
waste
2.
Multiple Choice
Animals and plants cannot directly use all the nitrogen found in our __________________.
plants
waste
atmosphere
animals
3.
Multiple Choice
Only special bacteria can directly use nitrogen in our atmosphere and "fix" it so other organisms can benefit. These bacteria are called _______ bacteria.
nitrate
ammonia
denfitrificating
nitrogen-fixing
4.
Multiple Choice
Higher organisms use nitrogen to make their __________.
plants
proteins
waste
atmosphere
5.
Multiple Choice
Animal waste decay by the action of bacteria which create ________ and _________ products rich in nitrogen and useful for plants to use again.
ammonia and nitrate
atmosphere and waste
plants and animals
proteins and ammonia
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