Which of the following best describes natural selection?
◦ Individuals are striving to find consistency between their ideal self, their real self, and their fear self.
◦ Humans are born as blank slates and they are conditioned unknowingly and without free will by their environment.
◦ Humans are in a constant struggle to control their unconscious urges for physical gratification and aggressive impulses.
◦ Species change little by little with each generation, and over a long period of time they can develop into new species.