Genetic drift - The process by which alleles frequencies in a population change as a result of random events, Nonrandom mating - reproduction in which only preferred individuals mate., Mutations - permanent heritable changes in the nucleotide sequence in a gene or a chromosome., Gene flow - The process of genes moving from one population to another, Natural selection - The process whereby organisms better adapted to their environment tend to survive and produce more offspring., Speciation - The formation of new species.,

Other Mechanisms of Evolution

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