Evolution and Ecology Review

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What is commensalism?

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A relationship between organisms in which one organism benefits and the other is neither harmed nor benefited.

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What is mutualism?

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A relationship between organisms in which both organisms benefit from the interaction.

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What is parasitism?

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A relationship between organisms in which one organism benefits at the expense of the other.

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What is a hypothesis?

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An educated guess that can be tested through experimentation.

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What does it mean to adapt?

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To adjust to a changing environment in order to survive.

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What is evolution?

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Inheritable changes to a population that adapt to an environment over time.

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What is an ecosystem?

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A community of living organisms and their interactions with their environment.

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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 is natural selection?

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The process by which organisms better adapted to their environment tend to survive and produce more offspring.

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What is a niche?

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The role or function of an organism or species within an ecosystem.