PSYC18H3 Lecture Notes - Lecture 3: Social Emotions, Antithesis, Thomas Robert Malthus
Document Summary
Jean-baptiste lamarck: naturalist (1744-1829: certain traits possess they have advantages in a given environment, adaptation to environment (inheritance of phenotypes) Charles lyell: geologist (1797-1875: uniformitarianism: the earth has been shaped by forces that are still in action today; ever changing; evolving. Thomas malthus: economist (1766-1834: population growth kept in check by various vices, people that survive their respective vices are more likely to survive in real life. Travelled to the galapagos islands; observed slight variations in finches" beaks, depending on island of origin. E. g. pesticide resistant insects, male peacocks: the goal of natural selection is to pass on the genetic code; in order to achieve this goal, it is necessary to survive, reproduce, and take of the offspring. Sexual selection: making it to sexual maturity to survive, choosing and securing best possible mate for reproduction. Females should value dependable and emotionally stable males. Female behaviour changes as a function of fertility.
