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ANTH 1120 (43)
G.Crowther (24)


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ANTH 1120

Food Intra-Group Competition  Biggest factor Matrilineal Clusters  Small groups of related female primates  Look out for each other 1. Avoiding Predators  Group size is a major factor  Esp. lemurs (primates that are small in size)  Large groups lemurs – forge for food on the group even though it is more dangerous  Small group lemurs – rather stay on trees Vocalization  Much more complex than we have thought Types of non-Human Primate Societies • Social systems o Early researchers assumed that social behavior are centurial around the males o Males are the ones who provide food for the group • Solitary living – groups limited to no more than 2 adults and their offspring o Ex/ Orangutans • Monogamy – a male and female live as a bonded pair for an extended period of time o Social monogamy vs. reproductive monogamy  Social  Couple remains together and marry her young even though may be been fathered with a diff male  Somewhat benefit males  Small species benefit  Can benefit both males and females  Reproductive  Couple stay together and only reproduce exclusively with each other  Almost non-existent in primates  Exist in birds  Males and females cheat on each other • Polygamy – polygyny and polyandry o One male polyg
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