Living Environment Ecology Regents Review

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What is carrying capacity?

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The maximum number of individuals of a species that an environment can support sustainably.

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NGSS.MS-LS2-4

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How can the carrying capacity of an environment be decreased?

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By removing dead organisms, which disrupts nutrient cycling.

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What is biodiversity?

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The variety of life in a particular habitat or ecosystem.

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What happens to ecosystem stability when biodiversity decreases?

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It usually leads to a decrease in stability.

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What is a food web?

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A complex network of feeding relationships among organisms in an ecosystem.

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What are carnivores?

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Organisms that primarily eat other animals.

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Give an example of two carnivores in a pond ecosystem.

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Crabs and crayfish.

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What is the role of Euglena in an ecosystem?

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Euglena can act as both producers and consumers depending on environmental conditions.

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Under what conditions do Euglena act as consumers?

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When there is little or no light present.

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What is interdependency in ecology?

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The reliance of two or more species on each other for survival.

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