Ecology and Evolution Concepts

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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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Fitness

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The ability of an organism to survive and reproduce in its environment.

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Adaptation

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A trait that helps an organism survive and reproduce in its environment.

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Speciation

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The formation of new and distinct species in the course of evolution.

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Niche

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

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Tolerance

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The ability of an organism to withstand fluctuations in biotic and abiotic environmental factors.

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Resource Partitioning

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The division of resources by species to reduce competition.

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Coevolution

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The process by which two or more species evolve in response to each other.

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Symbiosis

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

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Mutualism

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A type of symbiosis where both species benefit.