1. What does the demographic transition refer to? The shift from high
mortality/high fertility to low mortality/low fertility
2. Paternity certainty in humans Is never a given. Males cannot ever be
100% certain that the offspring they are investing in is
ANTH160: Exam 3 study guide
1. Is sexual dimorphism itself selected for by natural selection?
Sexual dimorphism refers to the trait where males express one phenotype
and females express another (Most common example is body size).
Sexual dimorphism is no
1. Male reproductive success is limited by The number of available partners
2. Female reproductive success is limited by The resources available to raise
3. The "two fold cost of sex" refers to The fact that each parent only
contributes half of
1.What is a diminishing returns curve?
Can you think of an example from your life? How does the value of a resource
change with time or the amount you possess?
2.What is altruism?
3.What life-history factors might promote altruism in a species?
Topic 11: Reproduction in Stratified Social Systems
Male Acquisition Strategies
Bride Capture: Non-stratified societies, little to no accumulation of
Bride Service: Recognition of paternity, often means many years of