In 1859, the British naturalist Charles Darwin (pictured) shook the world with the publication of his book The Origin of Species. Darwin's theory of evolution by natural selection—the concept that living beings (including humans) have evolved from different species as a result of random variations that were favourable for survival—cracked the foundation of Victorian society. Today the concept of evolution is a pillar of the biological sciences and infuses almost all of modern culture. But it continues to be challenged by some conservative religious believers, who insist that evolution is a theory that does not explain all there is to know about creation.
The Darwinian Revolution
Darwin at first shocked religious Victorian society by suggesting that animals and humans shared a common ancestry. However, his nonreligious biology appealed to the rising class of professional scientists, and by the time of his death, evolutionary imagery had spread through all of science, literature, and politics.
The Evolution of Species
Study the lineage of various species throughout time with articles and diagrams on topics such as:
Evolution and its Critics
The belief that God created the world has led some to insist that living creatures cannot have evolved over time from different life forms through random mutation and natural selection. As a result, the topic of evolution has often been characterized as an extremely controversial topic that can spark intense debate among believers and non-believers alike.
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In June 1858, Charles Darwin, hard at work on The Origin of Species, received an essay from A.R. Wallace(pictured), a young naturalist working in the Malay Archipelago, that suggested several of the principles of natural selection. Extracts from Darwin's and Wallace's papers were published together that year, so that the theory of natural selection, long associated in the public mind with Darwin alone, was actually first presented to the world as somewhat of a co-discovery by two men.
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The central role of natural selection in biological evolution.
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The Galapagos finch is believed to have undergone adaptive radiation from a single ancestral species, evolving to fill a variety of unoccupied ecological niches.
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