This idea was later firmly established by Galileo , Kepler and Newton. This theory was in direct contradiction with what the orthodox church taught. Faith, if strong enough, can withstand the introduction of knowledge into our society. The reason is that, despite the overwhelming support of legal precedents and every major teaching association , scientific organization and even many religious groups, high school science teachers and textbook producers skirt the issue, for fear of a right-wing backlash. When it comes down to it, evolution is a rational, easy to understand idea, and it represents the truth as we understand it, based on physical evidence and experiments, and it is accepted and supported by every branch of science.
Evolution is the best scientific explanation of our origins.
It is a stirring, compelling discovery, the knowledge of which no one should be denied. More organisms are born than can possibly survive. This provides potential for survival. Offspring are similar, but not identical to their parents. Every batch of offspring contains a natural range of genetic variation.