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Ecology 2: Human Impact on Ecosystems Multiple Choice Test

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Ecology 2: Human Impact on Ecosystems

Use your knowledge of Living Environment to answer all questions in the data set. You may need a calculator to answer some of the questions. Good Luck.

NOTE: If the question contains an image, clicking on it will enlarge it for easier viewing. If there is a "More Info" link after the question, clicking it will display additional content related to the question.

A major reason that humans can have such a significant impact on an ecological community is that humans

Which action illustrates an increased understanding and concern by humans for ecological interrelationships?

Farming reduces the natural biodiversity of an area, yet farms are necessary to feed the world's human population. This situation is an example of

They most likely gave their approval because the negative impacts would be offset by the

Which human activity would have the most positive effect on the environment of an area?

Humans have altered ecosystems in many ways. The most positive impact on an ecosystem would result from

Some organizations are buying up sections of forest land. Once purchased, these sections of forest will never be cut down. The main reason for protecting these sections of forest is to

Some homeowners mow their lawns during the summer, collect the grass clippings and dispose of them in a landfill. Instead of taking the clippings to a landfill, a more ecologically sound procedure would be to

Many homeowners who used to collect, bag, and discard grass clippings are now using mulching lawnmowers, which cut up the clippings into very fine pieces and deposit them on the soil. The use of mulching lawnmowers contributes most directly to

In most states, automobiles must be inspected every year to make sure that the exhaust fumes they emit do not contain high levels of pollutants, such as carbon monoxide. This process is a way humans attempt to

In order to reduce consumption of nonrenewable resources, humans could

Which of the following results of technological advancement has a positive effect on the environment?

One likely reason some experimental automobiles have been developed to use electricity rather than gasoline is that

Which concept is best represented in the diagram shown below?

The negative effect humans have on the stability of the environment is most directly linked to an increase in

Which human activity will most likely have a negative effect on global stability?

Which of the following long-term changes could directly cause the other three?

Which factor is primarily responsible for the destruction of the greatest number of habitats?

Which statement is a valid inference that can be made if the human population continues to grow at a rate similar to the rate shown between 1000 A.D. and 2000 A.D.?

Continued depletion of the ozone layer will most likely result in

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