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Download Chapter 19 Human Behavioral Ecology
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Green car to do to work? To remain permanently? When can she begin working legally? Studying human behavioral ecology • The importance of culture – Nature vs. nurture • Brain size • The Environment of Evolutionary Adaptedness (EEA) Domains • Sexual behaviour • Parentoffspring conflict – Homicide Mating systems • Usually serially monogamous • Polygygny – … and resource distribution – … and size dimorphism Sexual selection I • Men prefer beauty, women resources • Beauty across cultures – … and FA Sexual selection II Sex ratios at birth • “The United States had a small army, but it drafted four million men and by summer 1918 was sending 10,000 fresh soldiers to France every day” Parent-offspring conflict • In utero • Crying • Stepparents and child abuse Mother’s age and infanticide Child’s age and infanticide Mother’s age and matricide Risk taking and future discounting Can BE help explain human behavior? • • • • • • • Optimal diet breadth Risk-sensitive foraging Aggregation Altruism Honest signaling Sensory ecology Parasitism
