Life Science

Which statement supports the theory of evolution?

• All living cells come from previous cells.

• All plants and animals have DNA.

• Matter cannot be created or destroyed during chemical reactions.

• Fossils provide evidence that vertebrates share a common ancestor.

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NGSS.MS-LS4-1

NGSS.MS-LS4-2

The population density of marine life is denser along the shorelines of the ocean than farther out in the deep waters of the ocean.  Which statement provides the BEST reason for this situation?

• Ocean currents prevent many smaller marine organisms from living in deep water.

• The shallow waters have fewer predators.

• Coastal waters are less polluted than the deeper waters of the ocean.

• There are more nutrients in shallow waters.

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which is the best example of a chemical change?

• butter melting

• egg cooking

• paper tearing

• water evaporating

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

What would have the greatest long-term impact on reducing the amount of carbon dioxide in the air?

• planting trees around a farm

• cutting down trees around a farm

• increasing the number of livestock on a farm

• decreasing the number of livestock on a farm

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which is the primary source of energy for most cells in the body?

• sugar

• fat

• protein

• vitamin

The table shows the food choices for two species of birds.

Which will most likely happen to Questors as a result of Wood Plaxers migrating to their habitat?

• The Questors will compete with the Wood Plaxers for food resources.

• The Questors will be forced to fly to a different habitat.

• The two species will become extinct.

• The two species will coexist with no competition.

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-2

What happens to most of the energy as it moves throughout a food web?

• It is changed into light energy.

• It is changed into heat energy.

• It is changed into mass.

• It is changed into decomposers.

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NGSS.MS-LS2-3

Why are digestion and respiration important to the body?

• They control the production of hormones in the body.

• They build muscle and bone that the body needs.

• They store food for the body.

• They help provide the energy needed for body functions.

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NGSS.MS-LS1-7

Which action shows concern for the environment with regards to the resources of the oceans?

• developing technology which will allow for an increase in fish harvesting.

• allowing factories to release untreated wastewater into the oceans

• filling in oceanfront wetlands in order to extend beachfront properties

• setting limits on fish harvesting in the oceans

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NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

Which would indicate the water in a lake is not safe for drinking?

• many varieties of fish in the lake

• high dissolved-oxygen levels in the lake

• cold water temperature of the lake

• high turbidity levels in the lake