Multigenerational families have more members to

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Unformatted text preview: of the rules and traditions of one’s culture. Multigenerational families have more members to hammer home important lessons. Thus, longevity presumably fostered the intergenerational accumulation and transfer of information that encouraged the formation of intricate kinship systems and other social networks that allow us to help and be helped when the going gets tough. Increases in longevity would also have translated into increases in population size by adding an age group that was not there in the past and that was still fertile. And large populations are major drivers of new behaviors. In 2009 Adam Powell of University College London and his colleagues published a paper in Science showing that population density figures importantly in the maintenance of cultural complexity. They and many other researchers argue that larger populations promoted the development of extensive trade networks, complex systems of cooperation, and material expressions of individual and group identity (jewelry, body paint, and so on). Viewed in that light, the hallmark features of the Upper Paleolithic—the explosive increase in the use of symbols, for instance, or the incorporation of exotic materials in tool manufacture—look as though they might wel...
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This note was uploaded on 02/20/2013 for the course ANTH 101 taught by Professor Roseman during the Spring '12 term at University of Illinois, Urbana Champaign.

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