A) Forest ecosystems contain about half as much carbon as is contained in the atmosphere as carbon dioxide.
B) Most deforestation occurs in North America and Europe.
C) Forests cover about 10% of the total land area of Earth.
D) Globally,the amount of forests protected as reserves or parks is on the increase.
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Multiple Choice
A) asset management.
B) a renewable resource.
C) preservation.
D) conservation.
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Multiple Choice
A) Norway,Japan,and Iceland have continued to hunt whales.
B) most nations of the world now permit the hunting of whales.
C) whale meat is now more popular than ever in Japan and China.
D) the impact of whales on commercial wild fish populations requires whale hunting worldwide.
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Multiple Choice
A) restore much of the region to sugar cane production.
B) redirect much of the water flow southward.
C) increase the amount of water available for crop irrigation.
D) increase the flow of water through the Everglades in the summer.
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Multiple Choice
A) prairie/grassland biomes.
B) forest biomes.
C) biomes severely impacted by drought.
D) desert biomes.
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Multiple Choice
A) herbivorous species in the open-ocean.
B) carnivorous species in mangrove swamps.
C) herbivorous species in estuarine waters.
D) carnivorous species in lakes and rivers.
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Multiple Choice
A) coastal erosion will increase.
B) fish populations around the world will increase.
C) the pH of the oceans will increase.
D) the aquaculture of prawns will decrease.
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Multiple Choice
A) the lobster industry.
B) silviculture.
C) fishing industries.
D) habitat restoration.
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Multiple Choice
A) extracting resources to protecting the ecological health and diversity of forests.
B) protecting the ecological health and diversity of forests to extracting resources.
C) wilderness protection with no commercial logging to widespread commercial extraction.
D) widespread clear-cutting and reduction of total forested areas to a great expansion of forested land.
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Multiple Choice
A) their ability to raise funds for coral reef research.
B) their involvement of citizens in the collection of data and the removal of invasive species from coral reefs.
C) their use of untrained volunteers to replace qualified scientists in marine biology.
D) the increase in commercial fishing yields in the Caribbean.
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Multiple Choice
A) pollination
B) ocean fish netted for food
C) control of pest populations
D) carbon sequestration
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Multiple Choice
A) sustainability.
B) decreasing consumptive use.
C) the conversion of ecosystem capital from one form to another.
D) increasing natural resources but declining ecosystem capital.
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Multiple Choice
A) increases and consumptive use increases.
B) increases but consumptive use decreases.
C) deceases but consumptive use increases.
D) deceases and consumptive use decreases.
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Multiple Choice
A) includes both the ecological and economic value of natural ecosystems.
B) includes only the economic value of an ecosystem's goods and services.
C) includes only the ecological value of natural ecosystems.
D) includes neither the economic nor the ecological value of an ecosystem's goods and services.
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Multiple Choice
A) earthquakes
B) erosion
C) fires
D) logging
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Multiple Choice
A) overreliance on grains and other plants as a significant portion of the human diet.
B) expanding number of viral and bacterial human diseases.
C) growing pressure from human population on Earth.
D) changing temperature and rainfall patterns
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Multiple Choice
A) desert environments.
B) a natural prairie.
C) tropical rain forests.
D) a river system.
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Multiple Choice
A) the symbiotic relationship between corals and their algae is disrupted.
B) the calcium carbonate of corals is dissolved away,leaving just the soft animals behind.
C) the water becomes so cloudy that no light can reach the symbiotic algae in corals.
D) high levels of chlorine are released from the corals,killing the fish that swim by.
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Multiple Choice
A) the production of food: agriculture and fisheries
B) the harvesting of fossil fuels
C) the construction of roads in wilderness areas
D) recreational activities
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Multiple Choice
A) natural services are valued more than natural goods.
B) ecosystem services require sustained human development.
C) the value of ecosystem services is underappreciated.
D) the prices of most natural goods continue to fall.
Correct Answer
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