random selection will not rule the earth. people are attracted to people with the same features. tall people breading taller people. high intelligent people breading high intelligent people. you are witnessing the split in human species. tall dumb people. and smart midgets. which species will survive? will it be the midgets who require less food; as earth runs out of food supply. or the giants who will club the little people? it was the little rats that eat the dinosaur eggs that survived. as food shortage advances; the giants must hide their babies for the little people, who will eat the giant people's babies.