Not all members of a species are the same. Every species exhibits variations in different traits <span>like eye color, that are passed from parent to offspring.
This statement is paraphrased from the Darwins's theory. </span>Darwin's theory suggested that there are variations among
individuals in a population and that these variations will help individuals to
survive. <span>Natural selection is the differences in survival and reproduction as the
consequence of differences in phenotypes. </span>
