Natural Selection, Charles Darwin

As the human change the environment, many species have to adapt to it to survive like the rats live in the city or the dogs live in our houses. I wonder what happen if millions year ago, the apes didn't evolve to human, what would the world look like? The world might be more beautiful, with lots of species live together, where they don't have chance to become extinct because of human. The world would be more beautiful if human follow the natural selection like other species does.…