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Chapter 1 The Science of Biology Summary
www.monroehs.orgMay 31, 2018 · a series of steps. The first step is asking a question. The second step involves forming a hypothesis. The third step in conducting a scientific investigation is setting up a con-trolled experiment. Ahypothesis should be tested by an experiment in which only one variable is changed at a time. All other vari-ables should be kept unchanged. This ...