He is most famous for his work on natural selection, the idea that all species of life have evolved

over time from common ancestors. This process involves favorable traits becoming more common

in successive generations of living things while at the same time unfavorable traits become less common

Not only did Darwin develop the idea of natural selection, he also presented compelling evidence from

his detailed research which included a five year voyage on the HMS Beagle. On this voyage, Darwin

visited ecologically diverse regions such as Brazil, Chile, Australia, the Falkland Islands and the Galapagos

Islands.