Unveiling the Theory of Evolution

Upon returning to England in 1836, Darwin analyzed his notes and collections from his voyage, discussing geological changes with Charles Lyell. He collaborated with ornithologist John Gould, who identified 13 finch species from the Galapagos, suggesting they descended from a single South American species. This led Darwin to develop the theory of natural selection over 20 years. In 1858, he collaborated with Alfred Wallace, who had similar ideas on evolution. They presented their findings together, and in 1859, Darwin published 'The Origin of Species,' revolutionizing biology. Evolution is defined as a change in species over time.

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