Maintaining Biodiversity

What are the 3 big ideas from this unit?

• Everything in ecosystems are interconnected.

• Ecosystem health is determined by disturbance recovery time.

• High biodiversity leads to faster recovery times and healthy ecosystems.

• Biodiversity and ecosystem health are not linked at all.

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The most successful solutions...(select all that apply)

• meet the needs of ecosystems.

• protect wildlife and services.

• meet the needs of people.

• allow people to maintain their quality of life.

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Maintaining biodiversity within the plant species of ecosystems is important because plants such as willow tree bark and the pacific yew tree provide humans with ________.

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Places in the United States that protect the native plants and animals that live there are _______.

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Explain why it would be important to protect some of the natural areas in the United States. Give an example of a time when humans acted to protect an area to save a species from near extinction.

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NGSS.HS-LS2-6

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Explain how scientists determined the keystone species of tidepools. What species was determined to be the keystone species in the tidepools? What happened when this organism was removed from the tidepool?

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NGSS.HS-LS2-6

List some natural resources that humans depend on ecosystems for. Describe how biodiversity helps maintain these resources for human use/consumption.

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NGSS.HS-ESS3-1

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List some human activities that negatively impact the ecosystem and how that can damage biodiversity - give several examples of the consequences of the loss of biodiversity after human activity.

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The number of different species in an area is referred to as its _______________.

• population

• genetic diversity

• biodiversity

• Niche diversity

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Scientists agree that decreasing biodiversity does lead to.................. ecosystem health and function.

• increase

• no effect

• reduce

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NGSS.HS-LS2-7

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