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There are four mechanisms that can cause changes in the frequencies of genes in populations...

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There are four mechanisms that can cause changes in the frequencies of genes in populations mutation migration genetic drift and natural selection All four are mechanisms of evolutionary change Compare natural selection to the other mechanisms for change What choice BEST differentiates natural selection from the other mechanisms Variation within a population develops allelic frequencies within a population change due to the influx of new genotypes O Populations changes from generation to generation happen solely by chance Individuals within a population change in a response to selective pressures in the environment There is variation in a population differential reproduction occurs and over time a more advantageous trait exists in the population

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