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11 Cards in this Set
- Front
- Back
organism
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a living thing
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cell
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the basic unit of structure and function in living things
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unicellular
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made of a single cell
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multicellular
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consisting of many cells
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stimulus
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a change in an organism's surroundings that causes the organism to react
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response
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an action or change in behavior that occurs in reaction to a stimulus
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development
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the process of change that occurs during an organism's life to produce a more complex organism
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spontaneous generation
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the mistaken idea that living things arise from nonliving sources
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autotroph
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an organism that makes its own food
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heterotroph
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an organism that cannot make its own food
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homeostasis
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the maintenance of stable internal conditions in an organism
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