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| procedures used to solve problems |
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| prediction that can be tested |
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| standard to which the outcome of a test is compared |
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| something in an experiment that can change |
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| idea that living things come from nonliving things |
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| smallest unit of an organism that can carry on life functions |
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| theory that living things come from only other living things |
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| a cell that has no nucleus |
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| a cell that does have nucleus |
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| a process that produces two new cells with genetic material identical to each other and that of the original cell |
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| whip like tail used by many bacteria to move |
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| when a species has totally died out and no longer exsists |
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