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Explore the following sites to learn more about Alfred Russel Wallace, who came up with the idea of evolution by natural selection independently of Darwin. The Alfred Russel Wallace page, including information about Wallace, his writings, and many links. http://www.wku.edu/~smithch/index1.htm A biography of Wallace, with interesting links, from Victorian Web. http://www.victorianweb.org/science/wallace/wallace1.htm

1			What major similarity in the lives of Darwin and Wallace led to their independent formulation of the idea of evolution by natural selection? Why was this factor important in both their lives?