CH 1 Ecology

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What is ecology?

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Ecology is the study of interactions between organisms and their environment.

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What is symbiosis?

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Symbiosis is a close and long-term interaction between two different species.

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What is parasitism?

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Parasitism is a type of symbiotic relationship where one organism benefits at the expense of another.

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What is mutualism?

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Mutualism is a type of symbiotic relationship where both organisms benefit from the interaction.

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What is commensalism?

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Commensalism is a type of symbiotic relationship where one organism benefits and the other is neither helped nor harmed.

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What is competition in ecology?

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Competition is the interaction between organisms or species in which both are harmed by the use of the same limited resources.

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What is a predator-prey relationship?

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A predator-prey relationship is an interaction where one organism (the predator) hunts and eats another organism (the prey).

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What is an ecosystem?

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An ecosystem is a community of living organisms interacting with their physical environment.

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What is an example of mutualism?

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An example of mutualism is the relationship between hummingbirds and flowers, where hummingbirds get nectar and flowers get pollinated.

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What is an example of parasitism?

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An example of parasitism is a tapeworm living in the intestine of a cat, absorbing nutrients from the cat.