<span>The answer is simple :) Natural selection was an important contribution to the theory of evolution because: It explained how evolution works. </span>
Theory of natural selection was given by Charles Darwin.
In this theory, he stated that all species develop through natural selection, that is, species that better fit or adjust in their environment can survive. Whereas species that are not able to fir or adjust in their environment can lead to death.
Natural selection is an important contribution to the theory of evolution because it increases an individual's ability to survive, compete and reproduce.
