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11 Cards in this Set
- Front
- Back
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control
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a test of the effect of a single variable by changing it while keeping all other variables the same
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double blind study
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when neither group knows if they are the expiramenr
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independent variable
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that variable that is changed
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dependent variavke
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the variable that is observed and that changes in response to the manipulated variable
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stimulus
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a signal to which an organism responds
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organism
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another name for a living thing
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biology
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the science of life
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evolution
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the process by which organisms as a group change over time
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differentiation
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the process in which cells change as they grow and develop to become specialized with different functions
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metabolism
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chemical regions an organism uses to build up or break down matarieals
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homeostasis
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process by which organisms maintain a relatively stable internal environment
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