Evolution is an organizing principle and when we call it a theory, we mean it's a theory, we don't mean that it's… — Alan I. Leshner Copy Share Image
Evolution is an organizing principle and when we call it a theory, we mean it's a theory, we don't mean that it's a belief… — Alan I. Leshner Copy Share Image
Evolution is far more than a belief or an educated guess about how people came to be as they are. It is, in fact,… — Alan I. Leshner Copy Share Image
