APES Unit 5 Review - Land and Water Use Part (forestry and food)

What is the definition of the tragedy of the commons?

• When humans overuse a natural resource

• When the short-term, positive effects go to the individual, while the long-term, negative effects are spread out to the group

• When humans act selfishly, thinking of their own self-interest

• When plants and animals compete for space, resources, and/or food

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Which of the following is an example of a solution to the tragedy of the commons?

• Improving literacy among urban populations

• Raising tax rates for large corporations

• Inventing stronger antibiotics

• Passing a law to set limits for fishermen

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What are considered "the commons"

• Common house hold items like knifes, spoons, and forks.

• A renewable resource owned by no one and available for use by anyone at little or no charge

• A field where college students can sit outside in between classes

Clearcutting is

• A timber harvesting practice where all trees larger than 20 feet tall are cut harvested.

• When logging companies plant new saplings in an area bigger than 1 hectare.

• A timber harvesting practice where all of the trees in a given area are harvested at the same time.

• When forestry services clear out the underbrush in a given area.

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True or false: Removing trees leads to an increase in soil and stream temperatures due to decreased shading by tree canopies and the loss of trees evapotranspiration which cool the air around the tree.

• True

• False

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True or false: Trees help cool the planet by absorbing carbon dioxide as part of the photosynthesis process and by evaporating water into the air.

• True

• False

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The cutting and burning of trees

• has no affect on the environment.

• releases carbon dioxide and contributes to climate change.

• is beneficial to ecosystems and animal habitats.

• reduces flooding and erosion.

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Deforestation has resulted in

• more farmland in some places but more desertification in others

• more farmland in some places and less desertification in others

• less farmland in some places but more desertification in others

• less farmland in some place and less desertification in others

• no noticeable change in the amount of farmland or desertification

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Which statement about 1961 to 2011 is best supported by the graph?

• Food scarcity improved in both Asia and Africa

• Green Revolution techniques worked better in Asia than in Africa

• Population growth was higher in Africa than in Asia

• Green Revolution techniques worked well in both regions but slowed down dramatically

• Millet and rice are not very important food sources for either region, indicating that a conclusion about food security is invalid

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Between 1950 and 1990, wheat production in India in average pounds per acre more than tripled, which allowed India to meet its population's need for food. Which of the following best explains this change?

• The elimination of poverty in India's rural regions

• The use of genetically modified seeds

• The increase of microloan programs that provide farmers with credit

• The use of large farm tractors and combine harvesters

• The use of improved plant hybrids and agricultural chemicals.

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