Before November 24, 1859, many people simply believed that species were created by God in their present forms, or that it was possible for organic matter to be spawned from inorganic matter. However, Charles Darwin used these ideas to create his thesis, On the Origin of Species by Means of Natural Selection. The first true theories on evolution arise during the classical Greek period. On a handful of Greek philosophers believed in the theory of evolution and …showed first 75 words of 892 total…

…showed last 75 words of 892 total…