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10 Cards in this Set
- Front
- Back
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cell
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the smallest structure that shows all the characteristics of life.
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metabolism
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the sum of all chemical reactions within the living cell.
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homeostasis
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the ability of living things to maintain a relatively constant internal environment in all levels of body organization.
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adaptive trait
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a characteristic (structure, function, or behavior) of an organism that makes an individual better able to survive and reproduce in its natural environment. Arise through natural selection.
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population
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a group of potentially interacting individuals of the same species living in a distinct geographic area.
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hypothesis
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a testable explanation for a specific set of observations that serves as the basis for experimentation.
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controlled experiment
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an experiment in which the subjects are divided into two groups, usually called the control group and the experimental group.ideally, the groups differ in only the factor(s) of interest.
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variable
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in a controlled experiment, the factor that differs between the control group and experimental groups.
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theory
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a broad ranging explanation for some aspect of the universe that is consistent with many observations and experiments.
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inductive reasoning
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a logical progression of though proceeding from the specific to the general. it involves the accumulation of facts through observation until the sheer weight of the evidence forces some general statement about the phenomenon. a conclusion is reached on the basis of a number of observations.
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