PSYC18H3 Lecture Notes - Lecture 2: Ovulatory Shift Hypothesis, Thomas Robert Malthus, Ovulation
Document Summary
Traits/features that are more advantageous than others more likely to survive. These traits can develop through the lifetime. Can pass down strength acquired through lifetime. Charles lyell (geologist) vs. creationism (god created world) The earth has been shaped by forces that are still active today. Population growth kept in check by various vices. Death, hunger, disease keeps pop in check. Observed slight variations in finches beaks depending on island of origin. Natural selection: genetic variation (small and big, genotype has to lead to a specific phenotype, selection pressures, environmental factors that favour certain genes, organisms with the favored characteristics are more likely to survive, e. g. pesticide-resistant insects, male peacocks. Survival (fear), reproduction (love/lust), child care (love/care) Making it to sexual maturity survival. Choosing and securing best possible mate for reproduction. There is gender differences in selection strategies. Female behavior changes as a function of fertility.
