Exam 37: Environmental Concerns

A) Tropical rain forest land contains rich soil that is desirable as farmland.
B) Ranchers only temporarily benefit from deforestation.
C) People are settling in tropical rain forests due to road construction.
D) Humans remove vegetation for fuel or to feed animals.
E) Destruction of rain forests can lead to desertification.

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A

A) deforestation
B) desertification
C) coastal pollution
D) no access to drinking water
E) increase in human habitation

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A) biogeochemical cycles
B) waste disposal
C) provision of fresh water
D) prevention of soil erosion
E) flood prevention

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A) dolphins
B) grasshopper
C) ants
D) bats
E) roses

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A

A) subsidence
B) sink holes
C) flood situations
D) saltwater intrusion
E) water shortages

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Direct values of biodiversity include me...

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A) low levels of water in underground aquifers.
B) saltwater intrusion.
C) high costs of pumping water from other cities.
D) excessive rainfall leading to nearby rivers being at flood stage.
E) restrictions of pollutants draining into local water supplies.

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A) giant pandas
B) lions
C) tigers
D) dolphins
E) All of the answer choices are correct.

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A) Overexploitation by hunting and fishing is the foremost threat to tropical animals and plants.
B) Without human activity,all species would survive and there would be no extinctions.
C) There are many causes of extinctions and an animal or plant may go extinct for any of a combination of these factors.
D) Commercial hunting and fishing are careful not to deplete animal reserves.
E) Introduction of new alien species helps preserve biodiversity and slow extinction.

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A) coal
B) oil
C) hydropower
D) natural gas
E) fossil fuels

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C

A) As latitude increases,moving from the North Pole to the South Pole,the diversity increases.
B) As latitude increases,moving away from the equator at the center of the Earth toward either the North Pole or the South Pole,biodiversity decreases.
C) As latitude increases,moving away from the equator at the center of the Earth toward either the North Pole or the South Pole,the biodiversity increases.
D) As latitude increases,moving away from the equator at the center of the Earth toward either the North Pole or the South Pole,biodiversity first increases until 60 $\degree$ and then decreases toward the pole.
E) There is no relationship between diversity and latitude.

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A) agricultural
B) medicinal
C) consumptive use
D) indirect
E) no

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A) prioritized for preservation.
B) typically overcrowded.
C) sustainable ecosystems.
D) subjected to edge effects.
E) less stable.

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A) Hydropower
B) Wind power
C) Fossil fuel burning
D) Geothermal energy
E) Solar energy

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A) species diversity
B) genetic diversity
C) ecosystem diversity
D) landscape diversity
E) conservation diversity

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A) to create a sustainable ecosystem that will continue to function after restoration is complete
B) to use the wildlife and seeds from fragments of the original ecosystem to restore the original ecosystem
C) to begin restoration as soon as possible to salvage existing fragments of the habitat
D) to create a sustainable ecosystem that will provide services to humans
E) to use the wildlife and plants from endangered ecosystem to establish a new habitat

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A) Trees affect the climate and provide shade and cooling during the summer.
B) Trees can maintain rainfall to help prevent dry periods.
C) If biodiversity cannot maintain the biogeochemical cycles,then technology will have to artificially create those cycles.
D) Diverse organisms are critical in breaking down wastes and immobilizing pollutants.
E) Erosion can lead to critical imbalances in an ecosystem.

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