Transcript Chapter 19 Human Behavioral Ecology

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?
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Optimal diet breadth
Risk-sensitive foraging
Aggregation
Altruism
Honest signaling
Sensory ecology
Parasitism