Week 2 Lecture Notes
Week 2 Lecture Notes PSY 277
Popular in Evolutionary Psychology
Popular in Psychlogy
This 3 page Class Notes was uploaded by Rk18370p on Wednesday September 16, 2015. The Class Notes belongs to PSY 277 at Pace University taught by Robert Keegan in Summer 2015. Since its upload, it has received 52 views. For similar materials see Evolutionary Psychology in Psychlogy at Pace University.
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Date Created: 09/16/15
Week 2 Lecture Notes 91515 I 4 Basic Components of Natural Selection Darwin s Theory 1 Variation Ubiquitous you see it everywhere a Nature provides material for evolution bChance i He knows it happens but can t fully explain it yet so he says chance is the only explanation 2 Heredity Breeders a Artificial Selection i Humans choose the type of breeding that is done not nature ii Breeders Law a Like produces like i EX Humans make humans b Traits get passed on to offspring 3 Superfecundity aSuper meaning above average bFecundity meaning fertility i Together meaning Tendency towards Over Population a We produce more than will possibly make it to adulthood RathS 1600 1640 1680 1720 1760 Population 1 2 4 8 16 Food Supply 1 2 3 4 5 i Population has a geometric progression ii Food Supply has a arithmetic progression b Swift s solution to this problem was to eat the children in his satire A Modest Proposal cDarwin said that all of this was happening in nature i The more that is being produced the more that will survive to adulthood a EX The more children you make the more that have a higher chance of surviving 4 StruggleCompetition in Nature a Inescapable amp inevitable if Superfecundity is true bScarce resources cHerbert Spencer said Survival of the Fittest i A trait that allows them to survive a You were lucky enough to have that trait Week 2 Lecture Notes 91515 i Your ancestors got it through luck and it got passed down to you ii Traits need to work in the local environment a EX Long hair is good in cold places II Fatal Flaw in theory of Natural Selection 1 Reproduce 2 Fitness producing offspring a EX Bees ultimately unfit i There are individual bees and social bees a Different bees have different jobs ii They are neuter a they cannot reproduce 3 Evolution occurred at different levels a Individual vs Individual i You vs me bNest vs Nest i Us vs them ii Group vs group III Mendel wrote the first paper on Genetics 1 Nobody paid attention to the paper when it first came out 2 Years later in 1900 3 scientists rediscovered genetics IV Darwin writes about human evolution 1 He called it Descent of Man a This had no discussion of genes 2 Scenario a How it occurred bHe said that we are descendants of African Apes 3 3 mental traits involved in humans a Intelligence i Problem solving ii Decision making bCommunication i Positive Feedback Loops a As intelligence increases communication increases ii Negative Feedback Loops a As temperature increases your body sweats and you cool down your temperature decreases Week 2 Lecture Notes 91515 cMorality i If you kill people in your group you are not efficient ii If you don t kill me then I won t kill you 4 Key Phrase in Descent of Man a One of a degree and not one of a kind i Theme we are not all unique other animals have them too a They have the basics like communication and morality bHumans have evolved not just animals i This is explained through group selection a EX Us vs them or group vs group ii Shrink the gap between humans and other animals a Increase the status of animals i They have many human like traits
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