Human Impact Biosphere

Which of the following would be least harmful to an endangered species?

• Releasing excess carbon dioxide into the atmosphere

• Reducing the human population

• Harvesting local natural resources

• Introducing a competitor species into the local habitat

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NGSS.MS-LS2-1

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What is a possible result of this increase in carbon dioxide?

• Decreased climate change

• Decreased ocean acidification

• Increased biodiversity

• Increased average global temperature

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NGSS.MS-ESS3-5

Which of the following would help ensure the natural survival of the mulgara population?

• Clear the habitat of plant life and build mulgara shelters

• Limit human activities in the mulgara habitat

• Removing all other animal species from the habitat

• Introduce another small carnivorous species to mate with the mulgara

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NGSS.MS-LS2-1

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Which human activity would have the largest negative effect on biodiversity?

• Reproducing at an uncontrolled rate

• Developing wildlife sanctuaries

• Passing legislation to protect an endangered species

• Regulating industrial pollution

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NGSS.MS-ESS3-4

NGSS.MS-LS2-5

Why are captive-breeding programs important for endangered species?

• They prevent endangered species from re-entering the wild.

• They maintain a healthy population of endangered species in captivity.

• They are the only way to prevent endangered species from going extinct.

• They allow endangered species to be sold as pets.

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With the development of air flight and mass transit, humans are able to move very rapidly around the world. Which of the following is a possible consequence of increased human travel?

• Carbon emissions are reduced when using airplanes.

• Exotic species are introduced to new areas where they compete with native species.

• Diseases are isolated to certain areas of the globe.

• Fewer habitats are exploited due to improved tourism.

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NGSS.MS-LS2-4

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Which of the following human actions could have a positive impact on local ecosystems?

• Producing waste during technology development

• Using renewable resources

• Increasing the use of pesticides to protect crops

• Clearing forests to make way for new farms

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NGSS.MS-LS2-5

How does human population growth and resource use impact biodiversity?

• It decreases species richness.

• It increases biodiversity.

• It increases the amount of resources available to life on Earth.

• It decreases deforestation.

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NGSS.MS-ESS3-4

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Which human activity has the lowest effect on global stability?

• Removing carnivores from a forest

• Heating homes with fossil fuels

• Reusing plastic bags

• Adding heavy metals to the water supply

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NGSS.HS-ESS3-4

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How might an introduced species threaten biodiversity?

• It may breed with native species and produce new species.

• It may compete with native species for resources.

• It may not be able to survive in its new habitat.

• It may become prey for native species.

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NGSS.MS-LS2-4

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