Over human history, which process has been most important in improving the features of plants long used by humans as staple foods?

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Artificial selection, also known as selective breeding, has been the most important process in improving the features of plants long used by humans as staple foods. Through careful selection of desirable traits over many generations, humans have been able to create crops with improved yields, disease resistance, and nutritional value. This process has been practiced for thousands of years, well before the advent of genetic engineering or the use of pesticides and herbicides. Natural selection and sexual selection have played a role in shaping the traits of wild plant species, but they have not been as important as artificial selection in shaping the crops that humans rely on for food.

Over Human History, Which Process Has Been Most Important in Improving