AnswersSNHS NV-Environmental ScienceOrganismal Relationships

Organismal Relationships Answers

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Explain how parasitism differs from commensalism.

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What is the difference between commensalism and mutualism?

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3

The competitive exclusion principle can lead to adaptation of organisms trying to occupy the same niche. Please select the best answer from the choices provided

A
T
B
F
4

The competitive exclusion principle states that two organisms cannot fill the same niche.

A
T
B
F
5

What are three reasons that organisms interact?

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What are three possible long-term consequences of two species occupying the same niche?

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7

Animals marking their territory with urine is an example of _______.a.competitionb.predationc.commensalismd.mutualism

A
A
B
B
C
C
D
D
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Which of the following is an example of symbiosis?a.barnacles living on a whale’s skinb.a tree obtaining nutrients from the soilc.phytoplankton absorbing the sun’s raysd.a blue whale feeding on zooplankton

A
A
B
B
C
C
D
D
9

Why is it that two species cannot occupy the same niche for an extended period of time?

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10

It is beneficial for plants to have their seeds dispersed to reduce competition. Explain how a bird eating fruit is an example of mutualism.

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Organismal Relationships Answers — SNHS…