How Species Interact with Each Other 8.2

Match the following

• predation

• Species A benefits and species B is killed.

• commensalism

• Species A and B negatively affect each other.

• competition

• Species A and B both benefit.

• mutualism

• Species A benefits and species B is unaffected.

• parasitism

• Species A benefits and species B is harmed

  but not killed.

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NGSS.MS-LS2-2

Which of the following statements is correct?

• An organism’s niche is only the part of its habitat that it eats.

• An organism’s habitat is a location.

• Habitat and niche are the same thing.

• An organism’s niche is outside its habitat.

Which of the following is part of an American bison’s niche?

• grasslands

• gray wolf

• water

• all of these

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NGSS.MS-LS2-1

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NGSS.MS-LS2-4

When two species in an area eat the same type of food but eat at dif-

ferent times of the day, their niches

• are the same.

• are examples of commensalism.

• overlap.

• eliminate competition.

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NGSS.MS-LS2-2

If exponential growth occurs in the population of a species of preda-

tor, the population of its prey will most likely

• decrease quickly

• increase slowly

• stay the same

• experience exponential growth

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NGSS.MS-LS2-1

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NGSS.MS-LS2-4

If two species coevolve, they may develop adaptations that

• reduce the harm of the relationship.

• increase the benefit of the relationship.

• prevent any relationships.

• Both (a) and (b)

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NGSS.MS-LS1-4