Evolution, a process of change through time, is what links together the enormous diversity of the living world. A lot of evidence is present that indicates that the earth has had a very long history and that all living things arose in the course of that history from earlier, more simpler forms. In other words, all species have descended from other species and all living things share common ancestors in the past. Basically, organisms are …showed first 75 words of 2534 total…

…showed last 75 words of 2534 total…been used to compare groups that are more different. The results from comparative biochemistry lone do not prove anything, but they confirm data found using other methods. Together, they become convincing. Today, the theory of evolution is generally considered to be the most important fundamental concept in the biological sciences. Nearly all scientists support it. However, large numbers of people opposed the theory when it was introduces. Still, some people do not accept it today.