Unit 4 Vocabulary Terms

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Autotroph

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An organism that produces its own food using sunlight or chemical energy.

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Carnivore

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An animal that primarily eats other animals.

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Chemical Change

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A process where substances are transformed into different substances.

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Conservation of Mass

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The principle stating that mass cannot be created or destroyed in a chemical reaction.

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Consumer (science term)

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An organism that obtains energy by feeding on other organisms.

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Ecosystem

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A community of living organisms and their physical environment interacting as a system.

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Energy

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The ability to do work or cause change.

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Environment

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The surroundings or conditions in which an organism lives.

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Eukaryote

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An organism whose cells contain a nucleus and other organelles enclosed within membranes.

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Food Chain

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A series of organisms each dependent on the next as a source of food.