Second Semester Science Review

Which statement is true about a community?

• A community is all the same species living in different ecosystems.

• A community is made up of one kind of population living in one place.

• A community is made up of different populations that depend on one another.

• A community is made up of different populations that do not interact with one another.

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NGSS.MS-LS2-2

People are part of food chains. What is the role of people in a food chain?

• carnivore

• consumer

• herbivore

• producer

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NGSS.MS-LS2-3

Devin’s family is building a house. His parents want to use a renewable energy source to provide energy for the house. Which of the following could they use?

• coal

• natural gas

• oil

• solar energy

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Which of the following activities can cause pollution?

• mining fossil fuels

• conserving water

• picking up trash

• planting trees

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NGSS.MS-ESS3-3

This picture shows the life cycle of a frog. How does a frog’s niche change when it is fully grown?

• The frog uses legs to move and live on land.

• The frog uses a tail to move and live on land.

• The frog uses legs to swim and live in water.

• The frog uses a tail to swim and live in water.

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NGSS.MS-LS2-4

NGSS.MS-LS4-4

In a swamp, archerfish live among the mangrove tree roots. In or near the water, heron feed on fish, frogs, and insects. Which term describes each group of living things?

• community

• ecosystem

• niche

• population

Ecosystems have producers, consumers, and decomposers. Why are producers important in an ecosystem?

• They produce food for consumers.

• They break down remains of dead plants.

• They produce food for other producers.

• They consume food for other consumers.

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NGSS.MS-LS2-3

The picture shows a food chain. What part of the chain is missing?

• carnivore

• consumer

• herbivore

• producer

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NGSS.MS-LS2-3

In a forest, deer eat plants. Snakes eat small animals and birds. Raccoons eat mice, insects, fruits, and plants. What is the raccoon?

• carnivore

• herbivore

• omnivore

• producer

Trees are a natural resource. What is one way people use trees?

• for building material

• to produce plastic

• to construct roads

• to produce gasoline