Ecosystem Management MCQ
1. In the absence of ________, nutrient recycling within the ecosystem would completely stop.
Answer
Correct Answer:
Decomposers
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2. Eutrophication in lakes is frequently the direct result of __________.
Answer
Correct Answer:
Nutrient enrichment such as nitrate and phosphate runoffs from land
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3. When primary producers invest energy to build new tissue, this is _____.
Answer
Correct Answer:
Net primary productivity and the amount of energy available to consumers
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4. Salt marshes are ________ ecosystems, while mangroves are ________.
Answer
Correct Answer:
Temperate intertidal; found on subtropical and tropical shorelines
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5. The global hydrologic cycle supports a net flow of atmospheric water vapor __________.
Answer
Correct Answer:
From the oceans to land
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6. Hull fouling is a(n) _______ introduction of nonnative species.
Answer
Correct Answer:
Unintentional
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7. The great pacific garbage patch will be difficult to physically clean up because _______.
Answer
Correct Answer:
All of the above
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8. Fish that feed on sediment will most likely be found in _______ rivers.
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9. What is an airshed?
Answer
Correct Answer:
A geographic area that shares the same air.
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10. What does age class refer to?
Answer
Correct Answer:
An age grouping of trees according to an interval of years
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11. What is meant by the term "affected environment"?
Answer
Correct Answer:
The natural environment that exists at the present time in an area being analyzed.
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12. What is aerial logging?
Answer
Correct Answer:
Removing logs from a timber harvest area by helicopter
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13. What is adaptive management?
Answer
Correct Answer:
A type of natural resource management that implies making decisions as part of an on-going process
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14. Biogeochemical cycles are crucial to ecosystem function because _____.
Answer
Correct Answer:
Nutrients and other life-sustaining molecules are in limited supply and must be continually recycled
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Ecological Engineering MCQs | Topic-wise
