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…showed last 75 words of 723 total…organisms because their activities often result in permanent changes in the environment. Using the techniques of observation, hypothesis formation, and experimentation, we are becoming more aware of how those changes affect the lived of all organisms in the biosphere. In response to growing global problems, we are beginning to take responsibility for our actions and to develop plans that will allow us to manage our planet in a manner that will sustain it for generations.