PSYC 2600 Chapter 8-9: .docx
25 Mar 2015
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Organisms with some heritable variants leave more offspring because those attributes help with the tasks of survival or reproduction: differential survival/reproductive success is key, assumes hostile forces of nature (the events that impede survival, these hostile forces include food shortage, disease, predators, extreme weather) e. g. , in humans, sympathetic nervous system arousal. Products of the evolutionary process: adaptations: exist due to natural/sexual selection because they helped solve problems of survival or reproduction, by product: do not solve adaptive problems and do not have functional design, random effects: effects produced by chance mutations, sudden shifts in environment, etc. Double shot hypothesis : women believe that for men, sex without love is common; therefore if he loves another, then also sex but not vice versa, men believe that for women, sex without love is rare; therefore if she is having sex with another, then also love, which more upsetting:
