ECOLOGY

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Ecosystem

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A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.

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Abiotic factors

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The nonliving aspects of an ecosystem, such as water, sunlight, dirt, and air.

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Biotic factors

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The living components of an ecosystem, including plants, animals, and microorganisms.

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Ecology

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The study of how living things interact with one another and with their environment.

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Food web

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A representation of all connections of energy flow throughout all organisms in a habitat.

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Population

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A group of individuals of the same species living in a specific area.

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Community

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All the different populations that live together in a specific area.

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Habitat

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The natural environment in which an organism lives, including all biotic and abiotic factors.

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Energy flow

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The transfer of energy from one organism to another through food chains and food webs.

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Trophic levels

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The different levels in a food chain, representing the flow of energy and nutrients.