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Natural Selection: Unraveling The Origins Controversy

302 Words2 Pages
Natural selection is organisms with traits that are best suited to their environment and are more likely to survive and reproduce. As stated in chapter 5 of Unraveling the Origins Controversy, “Natural selection is deemed the primary mechanism of non-random changes in the number of particular traits in a population” (David A. DeWitt, 2007). Some of the factors that limit natural selection are traits that are not heritable. Some examples are learned behaviors; diet induced traits, and behaviorally induced traits. Between non-genetic factors outside of the organism and genetic traits passed on by parents, the latter is most important. However, according to the article, “Racehorse Winning Secret Revealed” non-genetic traits can also be beneficial.
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