Ecosystem Management MCQs
Ecosystem Management MCQs
Try to answer these Ecosystem Management MCQs and check your understanding of the Ecosystem Management subject.
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1: Biogeochemical cycles are crucial to ecosystem function because _____.
A. They keep the planet warm enough for living things to survive
B. Nutrients and other life-sustaining molecules are in limited supply and must be continually recycled
C. Energy flows through ecosystems in one direction only and is eventually dissipated as heat
D. They remove poisons and keep them locked up in
2: What is adaptive management?
A. A type of natural resource management that implies making decisions as part of an on-going process
B. A type of policy evaluation
C. A type of resource extraction
D. A type of environmental protection law
3: What is aerial logging?
A. Removing logs from a timber harvest area by helicopter
B. Logging with heavy machinery
C. Logging with high-powered saws
D. Logging from the sky
4: What is meant by the term "affected environment"?
A. The potential future environment of an area being analyzed.
B. The natural environment that exists at the present time in an area being analyzed.
C. The human-made environment that exists in an area being analyzed.
D. The natural environment that used to exist in an area being analyzed.
5: What does age class refer to?
A. The average lifespan of a tree
B. An age grouping of trees according to an interval of years
C. An age-based classification of plants
D. A method of calculating a tree's age
6: What is an airshed?
A. A special type of park
B. An area designated for air travel
C. An air filter device
D. A geographic area that shares the same air.
7: Fish that feed on sediment will most likely be found in _______ rivers.
A. Shallow
B. Narrow
C. Deep
D. Fast-moving.
8: The great pacific garbage patch will be difficult to physically clean up because _______.
A. It lies in international waters
B. No single nation is responsible for creating it
C. Filtering out the plastic will also remove plankton
D. All of the above
9: Hull fouling is a(n) _______ introduction of nonnative species.
A. Unintentional
B. Intentional
C. Unimportant
D. Land-based
10: The global hydrologic cycle supports a net flow of atmospheric water vapor __________.
A. From unforested to forested biomes
B. From the oceans to land
C. Net primary production
D. From polar to tropical regions
11: Salt marshes are ________ ecosystems, while mangroves are ________.
A. They are mature and exhibit a multi-level canopy
B. Mean temperature, precipitation and salinity will change
C. They keep the population at 50% of the carrying capacity, thus maximizing the growth rate.
D. Temperate intertidal; found on subtropical and tropical shorelines
12: When primary producers invest energy to build new tissue, this is _____.
A. Energy is lost because most of the total energy consumed is used for cellular respiration rather than growth and reproduction
B. Productivity increases with available sunlight, water availability and temperature.
C. Primary producer biomass or organic material that can be consumed
D. Net primary productivity and the amount of energy available to consumers
13: Eutrophication in lakes is frequently the direct result of __________.
A. Nutrient enrichment such as nitrate and phosphate runoffs from land
B. A reduction in the competition for resources
C. Many nutrients come from the soil, but carbon comes from the air.
D. Uses organisms to add essential materials to a degraded ecosystem
14: In the absence of ________, nutrient recycling within the ecosystem would completely stop.
A. Rocks
B. Secondary consumers
C. Decomposers
D. Predators
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Ecosystem Management MCQs
