Ecosystem Dynamics and Biodiversity Concepts

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What is a pioneer species?

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The first organisms to adapt to a new environment.

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What does ecological tolerance refer to?

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The set of conditions a species thrives under.

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How is species richness defined?

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The number of different species present in a community.

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What is species evenness?

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A measure of how similar the abundances of different species are in a community.

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What are cultural services in an ecosystem?

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Benefits that people obtain from ecosystems, such as parks, camping, and tours.

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What are provisioning services?

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Products obtained from ecosystems, like food, fresh water, and raw materials.

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What are regulating services?

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Benefits obtained from the regulation of ecosystem processes, such as climate regulation and flood control.

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What are supporting services?

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Services that are necessary for the production of all other ecosystem services, such as nutrient cycling and soil formation.

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What is biodiversity?

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The variety of life in the world or in a particular habitat or ecosystem.

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What is an ecosystem?

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A community of living organisms and their physical environment interacting as a system.