Units 7-9 Test Review

Organisms with a ___________ gene pool have a __________ chance of surviving

• smaller, lesser

• larger,greater

• smaller, greater

• larger, smaller

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NGSS.MS-LS4-4

The hottest spots for species diversity are close to the _____________.

• Coast

• Florida

• Equator

• Poles

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Greater species diversity ensures natural ________________ for all life forms.

• selection

• sustainability

• help

• health

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NGSS.MS-LS2-5

_______________________ comprise only 6% of all land on Earth yet are home to nearly 50% of all the species on Earth.

• ocean

• tropical rain forests

• tundras

• desserts

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NGSS.MS-LS2-5

Biodiversity is the ____________ and variability of __________ on earth

• variety

• life

• diversity

• difference

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How do biodiversity and stability work together?

• The lower the biodiversity the greater the stability of an ecosystem.

• The higher the biodiversity, the less stable the ecosystem

• The higher the biodiversity, the greater the stability of the ecosystem.

• Biodiversity has nothing to do with ecosystem stability.

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NGSS.MS-LS2-5

High biodiversity is 

• having a lot of the same organism.
• having a few of the same organism.
• having a lot of variety of different organisms.
• only having one of each organism. 

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NGSS.MS-LS2-5

Which ecosystem is more likely to survive a change in the environment?

• One with High biodiversity

• One with Low biodiversity

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Which shows more biodiversity Image A or Image B. Why?

• Image B is more biodiverse, because shows more different species than image A.

• Image A is more biodiverse, because shows a greater number of organisms that image B

• Both images show the same biodiversity

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In this food web example you can see that rain forests have many producers consumer and predators. How would you describe the rain forest biome?

• It has high biodiversity

• It has low biodiversity.

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

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