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Food web

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The interconnection of food chains in an ecosystem, illustrating how energy and nutrients flow between different organisms.

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Habitat

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The place where an organism lives, providing the necessary resources for survival.

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Pyramid of energy

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A graphical representation showing the flow of energy at each trophic level in an ecosystem, with energy decreasing as it moves up the pyramid.

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Role of an organism

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The function or position of an organism within its ecosystem, including its interactions with other organisms and its environment.

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Cycling pool

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Chemical elements or nutrients in complex organic forms that are cycled through the biotic components of the biosphere.

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Trophic level

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The position an organism occupies in a food chain, determined by its feeding relationships.

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Ecological pyramid

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A graphical representation of the distribution of biomass, energy, or numbers of organisms at each trophic level.

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Biomass

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The total mass of living matter within a given area or volume, often used to measure the productivity of an ecosystem.

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Nutrient cycling

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The process by which nutrients are recycled in the environment, moving between biotic and abiotic components.

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Population

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