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Parasitism

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Symbiotic relationship where one organism benefits and the other is harmed.

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Invasive species

Back

Non-native species that spreads and causes harm to the ecosystem.

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Disruptive selection

Back

Natural selection that favors extreme over intermediate variation.

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Survival of the fittest

Back

The concept that the best adapted organisms are most likely to survive.

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Carrying capacity

Back

Maximum number of individuals an environment can support.

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Symbiosis

Back

A close and long-term interaction between two different species.

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Mutualism

Back

Symbiotic relationship where both organisms benefit.

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Commensalism

Back

Symbiotic relationship where one organism benefits and the other is neither helped nor harmed.

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Natural selection

Back

Process where organisms better adapted to their environment tend to survive and produce more offspring.

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Ecosystem

Back

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