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Describe how a population evolves by natural selection

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1. Using an example that's not in the book, describe how a population evolves by natural selection.

2. You have noticed in your greenhouse that your plants are covered by a pest, so you decide to apply a chemical pesticide. The first time you spray the pesticide, 90% of the pests are eliminated, but you have noticed that subsequent spraying of the pesticide has resulted in a smaller reduction of the pest population. What is happening in the pest population?

Reference no: EM131684999

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