Maintaining Biodiversity

Which of these are environmental strategies to help protect species and habitats? (Select all that apply)

• Reduce pollution

• Reduce pesticide use

• Learn about local issues

• Develop alternative energy sources

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NGSS.MS-ESS3-3

NGSS.MS-LS2-5

How does protecting habitats help to maintain biodiversity?

(Think about the positive and negative affects on the living and nonliving parts and the ecosystem as a whole.)

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NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

A keystone species is...

• features of a successful solution.

• limitations the solution must work within.

• concessions made when priorities conflict.

• a species vital to ecosystem functions and maintaining biodiversity.

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NGSS.MS-LS2-2

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Banana plantations are planted in tropical forests, displacing native plants. Bananas are harvested from the same plants each year. What might this do to the ecosystem? (Select all that apply)

• Decrease genetic biodiversity in the ecosystem.

• Increase natural resources in the ecosystem.

• Reduce water pollution in the ecosystem.

• Impact ecosystem services.

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NGSS.MS-LS2-4

NGSS.MS-LS2-5

Undisturbed polar ecosystems naturally have less biodiversity than undisturbed tropical rain forest ecosystems. Which of the following are true statements?

• Polar ecosystems are less healthy than tropical rain forest ecosystems.

• Polar ecosystems are home to fewer species than tropical rain forests.

• As long as they remain undisturbed, both ecosystems are equally "healthy."

• Polar ecosystems are less important than tropical rain forests.

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NGSS.MS-LS2-1

Understanding the scientific processes behind biodiversity issues caused by overfishing __(1)__ describe the effects on the ecosystem. However, this knowledge __(2)__ identify the decisions society should make.

• can

• cannot

• does

• does not

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NGSS.HS-LS2-6

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Suppose people ignore a sign telling them to keep out of a protected area. What might happen if they enter the protected area? (select all that apply)

• Increased water pollution due to littering.

• Habitat fragmentation from walking on trials.

• Increased participation in conservation efforts.

• Spread of a nonnative species.

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NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Humans depend on healthy ecosystems because...(select all that apply)

• healthy ecosystems provide a variety of services and are more stable during disturbances.

• we depend on ecosystem services for food, good health, and protection.

• healthy ecosystems have high biodiversity which makes them stable and reliable.

• All of the above

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NGSS.MS-LS2-3

NGSS.MS-LS2-5

During what part of the engineering method should conservation scientists collect data about ecosystem biodiversity and services?

• Before setting criteria and constraints

• After setting criteria and constraints

• Before writing the final conclusion.

• The entire time.

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NGSS.MS-ETS1-1

NGSS.MS-LS2-1

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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NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5