NC 8.L.1

How are indicator species like a warning system for bodies of water?

• They indicate when food sources are declining

• Their illness or death indicates pollution in an aquatic ecosystem

• They indicate when predators are reducing the numbers of a species

• Their illness or death indicates the body of water is becoming more populated

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NGSS.MS-LS2-4

Which is the most important reason for maintaining clean water?

• Energy cannot be generated without water

• Organisms cannot live and grow without water

• Goods cannot be transported easily without water

• People cannot maintain proper hygiene without water

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NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which is the most important reason why findings of water quality studies need to be communicated to policy makers?

• so laws can be enacted to protect the hydrosphere

• so policy makers will begin to conserve water personally

• so laws protecting the environment can have fewer penalties

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NGSS.HS-LS2-7

Which is an action people can take to protect the water supply?

• Turn off faucets while brushing teeth

• Continue to run water while washing dishes

• Pour cooking oil down kitchen drains after cooking

• Water outside plants during the middle of the day

Tags

NGSS.MS-ESS2-4

Which best describes the water distribution in an estuary?

• The saltwater is closer to the surface than the freshwater

• The freshwater is closer to the surface than the saltwater

• The saltwater is found closer to the bank, and the freshwater is found closer to the center

• The freshwater is found closer to the bank, and the saltwater is found closer to the center

Which would lead to the greatest reduction of dissolved oxygen in a lake?

• decreased number of fish in the lake

• increased number of fish in the lake

• increased nutrients and algal blooms

• decreased number of plants surrounding the lake

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NGSS.MS-LS1-6

NGSS.MS-LS2-4

Which factor most affects how water drains into local watersheds?

• evaporation

• precipitation

• differences in elevation

Which best explains the relationship between evolution and natural selection?

• Evolution causes natural selection.

• Evolution prevents natural selection.

• Natural selection prevents evolution.

• Natural selection is one aspect of evolution.

Tags

NGSS.MS-LS4-4

Which best describes an inherited trait that gives an organism a survival advantage in its particular environment?

• an adaptation

• an offspring

• a mutation

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NGSS.MS-LS4-4

A strawberry farmer finds that, after a hard freeze, some of his strawberries are still alive. Which best explains why these strawberries were able to survive?

• They have larger leaves to protect the fruit than the other strawberries.

• They have different genetic variations that cause them to be more resistant to cold temperatures.

• They are able to reproduce more quickly than the other strawberries.

• The color of the strawberries is darker, and they maintain their temperature better than other strawberries.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS4-4