Portrait of Charles Robert Darwin (1809-1882) English naturalist and author of the Origin of Species aged about 50 years. He suggested that natural va

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Portrait of Charles Robert Darwin (1809-1882) English naturalist and author of the Origin of Species aged about 50 years. He suggested that natural variation in a species creates a wide range of individual characteristics, some of which are more useful than others. The competition to survive in nature provides a driving force for evolution in the form of natural selection, a mechanism which weeds out those individuals possessing traits less suitable to the enviroment. The implications of his theory to man's own origins fuelled a bitter controversy with christian orthodoxy.

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Photo credit: © NATIONAL LIBRARY OF MEDICINE/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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Keywords: biologist, biology, botanist, charles, darwin, discoverer, evolution, evolutionary, naturalist, origin, portraits, species, surname, theory, zoologist