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| Question | Answer |
| what is sexual selection | characteristics that help with reproduction e.g. peacock's feathers |
| what is anisogamy | it is the difference between gametes |
| what is the difference between gametes | male - small, mobile, all the time, not much energy female - large, stationary, short time produced, large investment |
| what are the two types of sexual selection | inter and intra |
| what is inter sexual selection | preferred for females, quality over quantity women have greater investment - be choosy fisher - runway process - females want good traits - get with a man with good traits - pass on good traits |
| what is intra sexual selection | preferred by males, quantity over quality winner passes on genes causes dimorphism - differences in genders (e.g. being tall) benefit of aggression - seen as protecting |
| evaluation - sexual selection and human reproductive behaviour - research support for anisogamy | buss - 10,000 adults, 33 countries women prefer resources, men prefer youth |
| evaluation - sexual selection and human reproductive behaviour - research support | Clark and Hatfield asked students would you sleep with me 0% of women said yes. 75% of men said yes |
| evaluation - sexual selection and human reproductive behaviour - research support | lonely hearts - Waynforth and Dunbar American newspapers women offer physical attractiveness men offer resources |
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