2nd Semester Final Exam

Which biome is more biodiverse?

• Desert
• Sand
• Tundra
• Rainforest

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NGSS.MS-LS2-5

Which option is abiotic?

• Plants
• Bacteria
• Water
• Fungi

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NGSS.MS-ESS2-4

Which option is abiotic?

• Plants
• Rocks
• Animals
• Fungi

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NGSS.MS-LS2-3

Biodiversity is important to keep an area (biome) healthy. In this example "Food Web A" is sustainable. Why is sustainability important for an ecosystem in "Food Web A".

• If one organism is removed the food web can still operate (work) with little or no negative effect.

• If an organism is removed the food web will collapse and will affect the environment.

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How do biodiversity and sustainability work together?

• The lower the biodiversity the greater the sustainability.
• The higher the biodiversity, the less sustainable the ecosystem
• The higher the biodiversity, the greater the sustainability.
• Biodiversity has nothing to do with sustainability.

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NGSS.MS-LS2-4

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Biodiversity refers to

• extinct species
• the variety of species on Earth
• nonrenewable resources
• the rate of species decline

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Sustainability refers to

• how many species are present in an ecosystem
• when a species goes extinct
• how long a species lives
• the ability to maintain ecological process over long periods of time.

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NGSS.MS-LS2-4

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The higher the biodiversity, the more sustainable an ecosystem is.

• True
• False

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NGSS.MS-LS2-4

NGSS.MS-LS2-5

A drought has hit this grassland biome. How will this effect the rabbit population?

• The rabbits will increase in number.
• The rabbit population will stay the same.
• The rabbit population will decrease.
• The rabbit population will become extinct immediately.

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NGSS.MS-LS2-4

NGSS.MS-LS2-1

Brown trout consume (eat) more tadpoles when the fly larvae reduce in number (decrease).  This proves...

• The dependence of organisms and biodiversity in an ecosystem
• Diversity increases as organisms decrease
• Losing an animal is good for ecosystems
• Changes in ecosystems create new organisms

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NGSS.MS-LS2-4

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