The Smithsonian Institute in Washington, D.C. has defined evolution in this manner: "Evolution is the concept that species change through time.
(the concept; species; change; T:through time) (Evolution; is; the concept that species change through time) Context(Evolution is,List([85, 97))):(D.C.; has defined; evolution)
Evolution is,List([85, 97))
the concept Evolution D.C.
species is has defined
change T:through time
the concept that species change through time
evolution