Environmental Science Chapter 5 Vocab

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Consumer

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An organism that eats other organisms or organic matter instead of producing its own nutrients or obtaining nutrients from inorganic sources.

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Carbon Cycle

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The movement of carbon from the nonliving environment into living things and back.

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Trophic Level

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One of the steps in a food chain or food pyramid.

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Producer

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An organism that can make organic molecules from inorganic molecules.

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Decomposer

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An organism that feeds by breaking down organic matter from dead organisms.

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Food Chain

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A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

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Food Web

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A complex network of feeding relationships among various organisms in an ecosystem.

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Ecosystem

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A community of living organisms and their interactions with their environment.

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Biodiversity

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The variety of life in the world or in a particular habitat or ecosystem.

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Habitat

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The natural home or environment of an organism.