Which statement best describes the current understanding of natural selection?%0D%0A%0D%0A%0D%0A%0D%0A a%0D%0ANatural selection affects the genes of an individual organism within a species.%0D%0A b%0D%0ANew mutations of genetic material are caused by natural selection.%0D%0A c%0D%0ANatural selection influences the frequency of an adaptation in a population.%0D%0A d%0D%0AChanges in gene frequencies caused by natural selection have little effect on change in species.