U of M ANTH 1001 - Lecture 13 10-24-17 Primate Mating Systems 1 (20 pages)

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Lecture 13 10-24-17 Primate Mating Systems 1



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Lecture 13 10-24-17 Primate Mating Systems 1

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Pages:
20
School:
University of Minnesota- Twin Cities
Course:
Anth 1001 - Human Evolution
Human Evolution Documents

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ANTH1001 Human Evolution G Tostevin Spring 2016 10 24 17 Primate Social Behavior Mating Systems 1 Topics for Today What is the framework for primate social behavior Mating Systems Mating systems as a result of overlapping male female strategies Why be social and form groups at all Inclusive Fitness Kin Selection Effects of Social Hierarchies in primates 2 1 University of Minnesota Twin Cities campus ANTH1001 Human Evolution G Tostevin Spring 2016 Mating systems Monogamy Mono 1 gamos marriage union One male one female Polygyny Poly many gyny women One male multiple females Polyandry Poly many andry men Multiple males one female Polygynandry Multiple males multiple females 3 Figure 07 26 Polygynandry multi male 4 2 University of Minnesota Twin Cities campus ANTH1001 Human Evolution G Tostevin Spring 2016 Resource defense polygyny 5 Female defense polygyny 6 3 University of Minnesota Twin Cities campus ANTH1001 Human Evolution G Tostevin Spring 2016 Why engage in same sex competition inter sex mate choice 1 Which sex has the highest reproductive potential number of offspring in a lifetime given its mandatory parental investment 2 Which sex has the highest reproductive variance range of numbers of offspring across the sex Given the above each sex has a different strategy for maximizing its reproductive success given its different mandatory investment 7 Why engage in same sex competition inter sex mate choice What are the Human Female Constraints on Reproductive Success RS mammalian in general Age of menarche Age of menopause Diet and fertility High costs of cycling pregnancy lactation 8 4 University of Minnesota Twin Cities campus ANTH1001 Human Evolution G Tostevin Spring 2016 Why engage in same sex competition inter sex mate choice What are the Male Constraints Where are the females 9 Why engage in same sex competition inter sex mate choice What are the Male Constraints Where are the females Because we are mammals with the high costs of internal gestation and



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