Brain size increased in response to adaptive pressures among distant ancestors which resulted in more difficult child birth due to an enlargement of the skull, to compensate for this babies are born --------- compared to other animals.
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Card 7
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Human females breastfeed their young & so are more --------- by this extended period of childcare. Mothers thus make greater prenatal contribution (pregnancy) & a larger postnatal contribution as well.
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Card 8
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For female ancestors the minimum investment would've been a 9 month pregnancy followed by years of feeding & carrying. For men, however, it would've been a few moments of copulation & some semen. Who said this?
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Card 9
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Who said that indiscriminate mating could cost a woman a great deal in terms of time & resources, whereas indiscriminate mating tends to be much less costly for a man?
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Card 10
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When males invest parentally (resources) they are under pressure to protect themselves from the possibility of --------- (investing in kids that aren't theirs).
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Card 11
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Who said because human males make a considerable investment in their children, they have greater concern than females about the fidelity of their mates?
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Card 12
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A man whose mate was unfaithful risked wasting resources on offspring that weren't his & a woman whose mate was unfaithful risked the diversion of resources from her family. Who said sexual jealousy evolved as a solution to these problems?
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Card 13
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Sexual jealousy - men are more ------- of the sexual act to avoid cuckoldry while women are more ------- of the shift in emotional focus to avoid the loss of resources.
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Card 14
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The expense of childbearing means females want good quality kids so they don't waste effort. To do this is to marry a man who has resources & is caring, but shop around for good genes through ------- with 'studs' (attractive men with no resources).
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Card 15
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Who conducted a survey of over 2700 UK women & from the results estimated that as many as 14% of the population were products of extramarital affairs?
