sexual selection

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  • Created by: Gemma
  • Created on: 12-04-14 11:15
who was this theory by + why did they want to study it?
Darwin - he wanted to see why disadvantageous characteristics were seen as attractive
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What are subdivisions of the theory + what do they mean?
Intrasexual- members of the same sex compete for members of the opposite sex.Intersexual selection -1sex indicates the areas in which other sex has to compete in-involves preference of 1 sex for memberof opposite who posses certain qualities
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Which animal is mainly used to explain sexual selection + why?
Peacock - males have long tails , this is a disadvantage because it means they are more likely to be caught - but this is seen as attractive by females because this means that those with long tails are strong + able to survive predators.
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Humans possess a menu of mating strategies ...men use
1. ST mating strategy used by men - same time can impregnate more women + more offspring than if women slept with same no. of men
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Humans possess a menu of mating strategies...females use
LT mating strategies- women more choosy due to obligatory biological role, a poor choice of mate means a disastrous waste of resources.
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What are women attracted to in a man?
Man who: invests resources in her +child , physically protect, shows promise as good parent, sufficiently compatible to ensure minimal cost to her + child. ==> men dont give resources away,they're attracted to young women (fertile)
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Buss + Schmitt
Before sex men lower their standards in STMP , and after sex decreased attraction which allows hasty retreat of male + doesn't spend too long with one women
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Clarke + Hatfield
Undergrads + employed women/man/ 'hey i've been noticing you around campus do you want to..' A. Go on a date B. Go back to my room C. have sex
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Buss
10,000 pps , 37 cultures ; found universal traits . Women attracted to men with good financial prospect, men = young+physically attractive(health +youth). both wanted caring(interest in LT relationship), intelligent (parenting), dependable(helpmate)
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Buss et al
When men divorce women, they go for much younger women :) - studied actual marriages
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Kenrick et al
teenage boys often go for women who are 5 years older - not easier to control + not interested
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Problem with this theory
Takes evolutionary approach- which means it ignores other biological approaches. Also fairly gender bias- men couldn't have developed desire for a variety of partners + casual sex without willing females
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Card 2

Front

What are subdivisions of the theory + what do they mean?

Back

Intrasexual- members of the same sex compete for members of the opposite sex.Intersexual selection -1sex indicates the areas in which other sex has to compete in-involves preference of 1 sex for memberof opposite who posses certain qualities

Card 3

Front

Which animal is mainly used to explain sexual selection + why?

Back

Preview of the front of card 3

Card 4

Front

Humans possess a menu of mating strategies ...men use

Back

Preview of the front of card 4

Card 5

Front

Humans possess a menu of mating strategies...females use

Back

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