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CHAPTER 12.docx

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CHAPTER 12 EVOLUTION OF HUMANSEvolutionary psychology attempts to apply the principles of adaptation and selection to human behavior Evolutionary TheoryIdeas by others but put together by Darwin and Wallace 1 Classification of organisms based on structure by Carolus Linnaeus 2 Charles Lyell and William Smith observed that the earth was far older than was previously thought through the studies of fossils and geological processes 3 Thomas Malthus observed the food supplies affect populationssurvival of the fittest Historical Theory of EvolutionHistorical theory of evolution can be summed up by three terms variation inheritance and differential reproductionAll individuals vary which results in differences in morphology which can be passed from one generation to the next and these individual differences in morphology can result in variations in success in the environment in terms of survival and reproductionDarwin suggested that the mechanism underlying these changes was natural selection requires that all individuals are unique and that characteristics that give an animal a reproductive advantage will result in the magnification of these traits in the populationAdaptation when a trait results in a reproductive advantage and is selected forFor a trait to be an adaptation it must be inherited fro
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