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6 Cards in this Set

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T or F. Human demography patterns suggest an evolutionary history of male-male competition.
T
Explain the human sexual dimorphism in body size, longevity, and morality
body size--males bigger
longevity-- females live longer
male mortality peakes during the "reproductive competition" years 20s
Who gains in terms of progeny in polygamous (having 2 or more mates either simultaneously or successively) marriages?
males
Most human societies are ______.
polygynous
Many human societies practice resource defense polygyny. Explain resource defence polygyny.
males gain access to females indirectly, by monopolizing access to resources that are valuable to females: wealthy men have more children in polygynous situations. Also, men with large land ownings have more wives (examples)
In human mating systems, who benefits from serial monogomy?
females gain more by being monogamous, males are better off mating with as many females they can.