* '''Descent with modification.''' E.O. Wilson defines, "evolution is any change in gene frequency in a population." This is narrower than the first definition because it just includes biological change, and only those changes which are inherited. | * '''Descent with modification.''' E.O. Wilson defines, "evolution is any change in gene frequency in a population." This is narrower than the first definition because it just includes biological change, and only those changes which are inherited. |