'''Definitions of evolution''' include (a) "change over time", (b) [[common ancestry]], and (c) the idea that unguided [[natural selection]] acting on random variations and mutations is sufficient to explain the appearance of design. | '''Definitions of evolution''' include (a) "change over time", (b) [[common ancestry]], and (c) the idea that unguided [[natural selection]] acting on random variations and mutations is sufficient to explain the appearance of design. |