ESS3.3 Human Impact

The image below shows President Franklin D. Roosevelt dedicating The Great Smoky Mountains National Park in the year 1940. Many people sacrificed time and money to establish our national park. The establishment of The Great Smoky Mountains National Park is an example of…

• Habitat management

• Conservation

• Species protection

• Sustainable logging

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Which answer choices represent the best examples of conservation? (2 answers)

• Purchasing certified lumber that comes from sustainable logging

• Purchasing non-certified lumber

• Volunteering to help at the zoo

• Recycling items such as glass and paper products

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A local rancher plants blueberry and blackberry bushes on her land so that deer and other native animal populations can still use the land. This is an example of…

• Habitat fragmentation

• Sustainable harvesting

• Habitat management

• Species endangerment

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Why should we resist strategies, such as fracking, to obtain energy?

• Fracking can lead to loss of habitat and releases harmful chemicals into the ecosystem

• Fracking is another word for habitat fragmentation

• Fracking leads to an increase in biodiversity

• Even though fracking does not occur locally, it endangers areas near the equator, such as the rainforest

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Click on image to read question 5.

• Drain water from the wetland to make dry hiking trails and relocate fish to a nearby lake.

• Pave part of the wetland for a parking lot and build a visitor center with cabin for overnight guest.

• Construct observation decks over the wetland and build docks for catch and release fishing.

• Drain part of the wetland to construct a sports field and use the remaining water area as a harbor for boats.

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Click on image to read number 6.

• The number of companies in the city has decreased.

• The number of parks and green spaces in the city has increased.

• The number of families moving into the city has decreased.

• The number of automobiles and traffic jams has increased.

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What is one impact caused by the melting of glaciers and ice caps?

• Sea levels will decrease because of warmer climates

• There will be more freshwater available due to cooler climates

• Sea levels will increase due to warmer climate changes

• There will be less freshwater available due to cooler temperatures

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How is the harvesting of exotic woods harmful for some ecosystems?

• The removal of exotic wood species is beneficial, since many are invasive

• It increases biodiversity, meaning that have more life than they can support

• It increases the amount of habitat for many species

• It creates loss of habitat for many species

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When you are all grown up, wealthy, and ready to build your dream house, how will you be a responsible consumer? (2 answers)

• Build a home with 10 extra rooms that you won’t use

• Plant exotic tree species in your own back yard so that you can harvest them to build your own furniture

• Purchase only certified lumber to build your home

• Refrain from purchasing furniture made from exotic woods

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Click on image to read question 10.

• The biodiversity of these areas will decrease.

• Rainforest plants will out-compete nonnative grasses for resources.

• Less nitrogen will be absorbed from the atmosphere over these areas.

• Cattle will get fewer nutrients grazing on nonnative grasses than on rainforest plants.

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