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evol. psy. Ch.3

ch3 p. 96-103

TermDefinition
Darwinian medicine fever-reducing, iron supplement drugs may prolong disease
leukocyte endogenous mediator reduces iron blood levels during infection to starve bacteria
iron-rich foods reduced during infection
senescence deterioration of all bodily mechanisms as organisms grow older
senescence theory power of natural selection decrease dramatically with increasing age
pleiotrophy [plī-ot'rŏ-pē] multiple effects of a gene
pleiotrophic theory of senescence our organs wear out at roughly the same age because of reproductive variance by age
men die younger because the reproductive variance for men is higher than for women
selection will favor genes that enable a man to compete successfully for mates early in life regardless of later detrimental effects
men are designed to die earlier than women
suicide will most likely occur when an individual has a dramatically reduced ability to contribute to his or her own inclusive fitness
dramatically reduced ability to contribute to his or her own inclusive fitness poor future health, chronic infirmity, disgrace or failure, poor mating prospects, perceptions of burden to kin
suicide sex differences peak during intense sex competition and old age because more men than women fail in heterosexual mating and more male disease
maladaptive by-product hypothesis suicide is a response to sex-linked "defeats" in evolutionary relevant domains; best explains sex differentiated triggers
homicide important hostile force of nature
Created by: james22222222
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