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Reviewing Ecological Cycles
Test Description: Studnets will review the carbon, nitrogen and phosphorus cycles.
Instructions: Answer all questions to get your test result.
1) Has a short-term and long-term cycle
A
carbon
B
phosphorus
C
nitrogen
D
phosphorus and nitrogen
2) Bacteria found in legumes are an important part of the cylce.
A
carbon
B
nitrogen
C
carbon and phosphorus
D
phosphorus
3) Rarely found in a gaseous from - not found in the atmosphere
A
carbon and nitrogen
B
nitrogen
C
phosphorus
D
carbon
4) Makes up about 78% of the atmosphere
A
oxygen
B
phosphorus
C
carbon
D
nitrogen
5) available to producers by rock erosion and decomposition of organisms
A
carbon
B
phosphorus
C
carbon and nitrogen
D
nitrogen
6) excess amounts of this nutrient cause algal blooms
A
nitrogen and phosphorus
B
carbon
C
phosphorus
D
nitrogen
7) released into the atmosphere as a product of cellular respiration
A
carbon
B
phosphorus
C
nitrogen
D
nitrogen and phosphorus
8) Must be fixed by bacteri before it is available to other organisms
A
phosphorus
B
nitrogen
C
carbon
D
oxygen
9) can be found in soil
A
carbon, phosphorus, and nitrogen
B
nitrogen
C
phosphorus
D
carbon
10) burning of fossil fuels releases a large amount of this element back into the atmosphere
A
carbon and phosphorus
B
nitrogen
C
phosphorus
D
carbon
*select an answer for all questions
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