Environmental Science 2nd Semester Review

Which of the following is an example of land used as a protected area to preserve the scenery and ecosystems?

• Grand Canyon National Park

• Great Basin

• Great Plains

• Rocky Mountains

Tags

SEV4

Which of the following has not resulted from urban sprawl?

• suburbs

• overgrazing

• loss of farmland

• traffic congestion

Tags

SEV5

Which of the following most effectively allows forests to recover from tree harvesting?

• cutting only medium-sized or mature trees

• cutting all of the trees and then replanting the area with seedlings

• allowing the forest to reseed itself

• cutting only young trees and then replacing them with seedlings

Tags

SEV2

Why is it important to preserve farmland?

• Farmland provides crops and fruits to support urban and rural populations.

• Farmland moderates the temperature of urban areas.

• Farmland provides an important oxygen source for urban areas.

• All of the above

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SEV3

Which is NOT a part of infrastructure?

• roads

• bridges

• restaurants

• power lines

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SEV4

What is a major advantage of mass transit over private vehicles?

• reduces congestions on roads

• more convenient for most Americans

• uses more energy

• takes less time

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SEV5

Pest populations that damage plants

• breed more slowly in hot climates.

• include only insects and small rodents

• attack wild plants with greater success than crops

• become resistant to pesticides via natural selection

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SEV4

Drought, soil loss, and problems with food distribution in a region can cause

• Famine

• Erosion

• Yield

• Poverty

Tags

SEV4

Negative effects of the green revolution include soil degradation as well as the overuse of water, _________, and fertilizers.

• grains

• pesticides

• crop varieties

• both grains and pesticides

Tags

SEV4

Erosion is most likely when the soil is

• bare and exposed to wind and rain

• plowed along the contour of the land

• covered with grass

• held firmly by the roots of trees

Tags

SEV4