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PSY 3030 Exam 2
Terms in this set (7)
sexual reproduction by the fusion of dissimilar gametes; specifically male and female gametes differ greatly in size.
Female eggs are larger and nutrient dense, therefore they are metabolically costly to produce and exist in smaller numbers.
Male sperm are smaller and metabolically cheaper, therefore they are mobile and replenish regularly.
Principles derived from anisogamy
There are often sex differences in minimum obligatory parental investment, with females having higher minimum investment in most species, especially mammals.
Minimum obligatory parental investment is subject to change such that males sometimes have higher minimum investment.
Parental investment theory predicts that:
-the sex that invests more in offspring will be more discriminating or selective about mating.
-the sex that invests less in offspring will be more competitive for sexual access to high-investing sex.
Women's age preference in a mate
women desire somewhat older men. ability to accrue status and resources comes with age. mating with men who are much older poses the risk of infertility and reduced paternal investment.
females of many species, not just humans, find males more attractive if other females find them attractive as a mate.
Women's preference for kindness in a mate
kindness is especially valued when it is directed towards a women and her kin.
Women's preferences that help them avoid a poor choice in a mate
ability to invest, willingness to invest, physical capabilities of protection, good parenting skills, compatible, healthy.
How a man's attractiveness is gauged in modern hunter-gatherer societies
Provide food, shelter, defend territory, protect children, tutor children in many abilities such as hunting.
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