Evolution of sexual behavior : Evolution of sexual behavior
What is evolution? : What is evolution? Change in the genetic make-up of populations over time
Why study evolution and sex? : Why study evolution and sex? Answer “WHY”?
Learn more about strangeness
Learn more about our selves by studying other species
More comfortable examining the behavior of other species.
Some big questions: WHY… : Some big questions: WHY… 1. SEX? “reproductive strategies”
Some big questions: WHY… : Some big questions: WHY… 2. INEQUALITY? Dimorphisms
Some big questions: WHY… : Some big questions: WHY… 3. EQUALITY? Sex Ratios
Some big questions: WHY… : Some big questions: WHY… 4. GENES? Inheritance and heredity
Some big questions: WHY… : Some big questions: WHY… 5. COMPETITION? SURVIVAL OF FITTEST
Some big questions: WHY… : Some big questions: WHY… 6. BEAUTY? Selecting the fittest
Some big questions: WHY… : Some big questions: WHY… 6. HANDICAP? Runaway phenotypes and artificial exaggerations
Some big questions: WHY… : Some big questions: WHY… 7. COURTSHIP? Fitness based behavior
Some big questions: WHY… : Some big questions: WHY… 8. RELATIONSHIPS? Monogamy v Polygamy
Some big questions: WHY… : Some big questions: WHY… 9. CHEAT? Extra pair copulations
Some big questions: WHY… : Some big questions: WHY… 10. Invest? Dads v Cads
Some big questions: WHY… : Some big questions: WHY… 11. JEALOUSY? Mate guarding & parental certainty
Some big questions: WHY… : Some big questions: WHY… 12. DECEPTION? Lies, poaching, luring & gossip
Some big questions: WHY… : Some big questions: WHY… 13. SEXUAL COERCION? Bribes, empty promises & rape
Some big questions: WHY… : Some big questions: WHY… 14. NON REPRODUCTIVE SEX? Sex for pleasure/recreation/sale