Biodiversity and Ecosystem Services

______ involve evaluating how effectively each solution could preserve biodiversity and ecosystem services.

Tags

NGSS.MS-LS2-5

What are examples of ecosystem services?

• The completeness or integrity of an ecosystem's biodiversity

• Food, energy, and medicines

• Scientific, economic, and social considerations

• Water purification, nutrient recycling, and prevention of soil erosion

Tags

NGSS.MS-LS2-5

A healthy forest ecosystem in the Northwest is home to elk, mule deer, chipmunks, ground squirrels, and a variety of plants. What is the relationship between biodiversity and available resources?

• Biodiversity is not affected by changes to available resources.

• Biodiversity decreases the amount of available resources.

• Biodiversity increases with abundant resources and decreases when resources are scarce.

• Biodiversity decreases with abundant resources and increases when resources are scarce.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Wolves were reintroduced to Yellowstone National Park in 1995. This keystone species restored the park’s ecosystem. What is the ecological value of a keystone species?

• they influence the survival of many other species in an ecosystem.

• they prevent the ecosystem from changing and growing.

• they protect land and water resources within the ecosystem.

• They decrease the number of unwanted species in an ecosystem.

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

Which of the following do not show how do human activities negatively affect biodiversity?

• introducing invasive species

• growing trees in deforested regions

• adding carbon dioxide to the atmosphere

• removing natural resources

Tags

NGSS.MS-ESS3-4

Sometimes when a bee pollinates a flower, this action is beneficial to humans. Bees are the main pollinators of many plants that humans eat, such as blueberries, potatoes, apples, celery, and strawberries. What are the benefits that humans receive from the ecosystem called?

• ecological restoration

• sustainability

• ecosystem services

• ecology

Tags

NGSS.MS-LS2-5

Pick the supporting service

• natural resources

• water cycle and nutrients

• plants and animals

• recreational services

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NGSS.MS-LS2-1

NGSS.MS-ESS2-4

In what ways do humans harm the ecosystem?

• by introducing invasive species

• by working toward sustainability to maintain diversity

• by maintaining current conditions

• through conservation

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

NGSS.MS-ESS3-4

What are the five factors that affect biodiversity?

• Niche diversity, genetic diversity, extinction, area and climate

• Niche diversity, genetic diversity, conservation, climate change, and restoration

• ecological services, niche diversity, area, climate, restoration and sustainability.

• Panda, wolf, cheetah, bees and bears

Tags

NGSS.MS-LS2-5

NGSS.MS-LS4-4

What is the estimated annual value of ecosystem services provided by Earth's biodiversity?

• Billions of US dollars

• Trillions of US dollars

• Millions of US dollars

• Hundreds of US dollars

Tags

NGSS.MS-LS2-5