Ecology Vocabulary 2

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Carrying Capacity

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The maximum number of individuals (population size) that the environment can support.

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Limiting Factor

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Biotic or abiotic environmental factors that restrict the growth of a population.

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Competition

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More than one individual or population in an ecosystem relying upon the same limited resources

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Niche

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The ecological role played by an organism. This is an organism's total way of life.

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Habitat

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The specific part of the environment that provides all the things that an organism needs

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Ecosystem

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A system consisting of all of the interactions that occur between the abiotic and biotic factors within an environment

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Symbiosis

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A long-lasting, close interaction between different species. Includes mutualism, commensalism and parasitism.

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Mutualism

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A symbiotic relationship that is helpful to both organisms

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Commensalism

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A symbiotic relationship in which one organism benefits, and the other is neither helped nor harmed

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Parasitism

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A symbiotic relationship where one organism benefits while the other is harmed