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• Devised by Charles Darwin and published in his book „The Origin of Species‟ (1859)
• He believed that human life began with very simple cells that later developed into different species. From his
• studies he saw species develop and continue to change to suit their surroundings and environment . He concluded
• that the species best suited to the environment would survive and reproduce to create a new, even better
• generation. This process he called NATURAL SELECTION. Darwin recognised that through his theory
• humans must have evolved, he suggested that as we share similar DNA and features to apes it was a strong
• possibility that humanity had begun as a well developed species of ape.