8.L.3.1 Review

Which does every organism in an ecosystem need for survival?

• animals

• plants

• water

• soil

Tags

NGSS.MS-LS1-5

Which population would be most affected if there is a decrease in the population of aquatic insects?

• elk

• frog

• moose

• squirrel

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which best describes how coral reefs, forests, and ponds sustain animal populations?

• They provide resources animals need to survive.

• They are found in areas where humans have little impact.

• They provide a source of water from which animals can drink.

• They are found in areas where temperatures are too high for plants to grow.

Tags

NGSS.MS-LS2-1

Which is the most significant limiting factor in a desert ecosystem?

• nutrients

• predators

• sunlight

• water

Tags

NGSS.MS-LS2-1

As an insect population decreases, which would most likely also decrease?

• hawk population

• vulture population

• sparrow population

• hummingbird population

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NGSS.MS-LS2-1

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NGSS.MS-LS2-4

An aquarist takes half of the fish out of a tank, and the remaining fish grow larger and are healthier. Which factor was most likely affecting the fish?

• water

• space

• shelter

• food

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NGSS.MS-LS2-1

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Which is the place where a member of a population lives and finds food?

• space

• habitat

• shelter

• population

If the primary food source for the whale population in an area is depleted, which will most likely happen?

• The whale population will stabilize.

• The whale population will increase.

• Competition among the whales will increase.

• Starvation will cause the whales to become extinct.

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NGSS.MS-LS2-1

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When space is limited in an ecosystem, how is a bird population most likely affected?

• competition decreases

• survival rate increases

• availability of food increases

• availability of nesting spots decreases

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which are major abiotic factors that determine the types of plants that can grow in an ecosystem?

• birds and bees

• precipitation and bees

• precipitation and temperature

Tags

NGSS.MS-LS1-5