science (biology)

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Suppose that you are starting a long-term study of a population of annual, flowering plants isolated on a small island. Reading some recent papers has convinced you that global warming will probably cause long-term changes in the amount of rain the island receives. Briefly outline the observations and experiments you would need to do in order to document whether natural selection occurs in your study population (what requirements must be met to establish that adaptation is happening?). What traits would you measure, and why?

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