Insect Societies Lecture 21. Insect sociality Co-operative behaviors – Eusocial: co-operate in reproduction and have division of reproductive effort (bees,
Chapter 51 ~ Behavioral Biology. Behavior l Ethology ~ study of animal behavior l Causation: proximate ~ physiological & genetic mechanisms of behavior.
Inclusive Fitness Hamilton Rule
Lecture 12, Chapter 7. Primate Sociality and the Evolution of Cooperation
Helpful behaviour Facultative altruism In Long-tailed Manakins, males conduct an elaborate display, but only the alpha male receives copulations.
Evolutionary Psychology, Lecture 3. Altruism and Co-operation.
+. Reciprocal altruism: One organism provides a benefit to another in the expectation of future reciprocation Assumes that cheaters can be identified/punished.
Coeffecient of relatedness and predictions of complex genetic influences The coefficient of relatedness (r) between two individuals is defined as the percentage.
BIOE 109 Summer 2009 Lecture 9- Part II Kin selection.
Ethical Rules, Games, and Evolution Ted Bergstrom, Economics Dept, UCSB.
Red-eyed Vireo
Intrasexual vs. intersexual (epigamic) sexual selection Mating preferences in Drosophila and pigeons Certainty of Maternity, Uncertainty of Paternity “Battle.
