Evolution was first expressed in terms of "survival of the fittest." envoking images of to males fighting to the death and the survivor gets the prize of mating with the female. Or the eagle with the better eyesight gets more mice to eat than the eagle more nearsighted. Genetic mutation causing random differences and those that provide a benefit become the dominate trait over long periods of time. | Evolution was first expressed in terms of "survival of the fittest." envoking images of to males fighting to the death and the survivor gets the prize of mating with the female. Or the eagle with the better eyesight gets more mice to eat than the eagle more nearsighted. Genetic mutation causing random differences and those that provide a benefit become the dominate trait over long periods of time. |