Unit 3-1 Quiz

How does density affect the growth of a population?

• The higher the density, the MORE competition for resources and the lower the density, the LESS competition for resources.

• The higher the density, the Less competition for resources and the lower the density, the MORE competition for resources.

• The animals become fat due to too much food witch means less competition

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What happens to an ecosystem when a population becomes overpopulated?

• Organisms that rely on the same resources as the overpopulated organism will DECREASE.

• Organisms that rely on the same resources as the overpopulated organism will INCREASE.

• Organisms that rely on the same resources as the overpopulated organism will STAY THE SAME

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If producers were to increase in an ecosystem, how will that affect the other trophic levels?

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• I Dont Know

• PIzza

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What would happen if abiotic factors were removed from an ecosystem?

• Producers would grow BETTER making MORE oxygen for the animals in the ecosystem.

• Producers would grow WORSE making LESS oxygen for the animals in the ecosystem.

• Producers would grow LESS making BETTER oxygen for the animals in the ecosystem.

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What best describes the niche of this organism?

• Consumer

• Predator

• Scavenger

• Producer

What would happen if two species lived in the same niche in a community for a very long time?

• A. ) The two species would eat each other and die off.

• B.) The two species would compete with each other and eventually one would die off.

• C.) The two species would reach equilibrium and be just fine.

• D. ) The two species would have to move to a new ecosystem.

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Which of the following would be a limiting factor for the producers in the ecosystem pictured below?

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• Soil

• Minerals

• Water

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Which of the following is an example of mutualism?

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Which type of relationship do the two species below share in their ecosystem?

• Competition

• Predator and Pray

• Mutualism

• Commensalism

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How will destroying an organism's shelter impact the carrying capacity of the ecosystem and the organism within the ecosystem?

• The organism’s carrying capacity will DECREASE and the organism, itself, will INCREASE.

• The organism’s carrying capacity will DECREASE and the organism, itself, will DECREASE.

• The organism’s carrying capacity will INCREASE and the organism, itself, will DECREASE.

• The organism’s carrying capacity will INCREASE and the organism, itself, will INCREASE.

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