reproductive rates in a perfectly monogamous system
would be identical
Even in monogomous societies ____, ______, &______ allow for effective polygyny.
infedelity, divorce, remarriage
Parental investment
anything that a parent does for a particular offspring that helps the offspring (reproductively) and reduces the parent's ability to invest in other offspring
biparental investment
when both parents contribute in the same way
Humans vs Mammals, choosiness and competition
women are more competitive compared to other female mammals
men are more choosy compared to other male mammals
Traits preferred by men and women in good gene strategy
both men and women look for symmetry and complementary immune weapons
Traits preferred by men and women in parental investment strategy
women prefer - status
men prefer - physiological condition, youthful, low hip-waist ratio
both look for good relationship - kindness and teamwork
When the sexes assume male investment is rare...
both sexes show behaviors that reduce the likelihood of long-term bonding.
ex. sexy clothing.
When the sexes assume male investment is the norm...
the behave in ways that maximize their chances of getting long-term relationship
Mixed reproductive strategies
longer term partner, but also extra term partners.
Essential features of mixed reproductive strategies for women?
Women will accept genes donations and investments separately from different men.
essential features of mixed reproductive strategies for men?
men will invest in one partner, but look for other opportunities.
what is mate choice criteria
good genes and parental investment
Traits of faster sex that men have
competitiveness
less choosy
lower parental investment
age faster
mature later
jealousy - men vs. women
men are more jealous if women had affair
women more jealous if man is in love with another woman.