BIOL 2060 Lecture Notes - Lecture 5: Kin Recognition, Inclusive Fitness, Eusociality
19 Feb 2016
School
Department
Course
Professor
Document Summary
Interactions between organisms and environment often mediated by behaviour: dominance, reproduction, cooperation. Evolution: natural selection acts on individuals and their behaviour. Behaviours can be selected for or against. Hunger level: food source is highly nutritious, large, etc. Inclusive fitness: individual"s overall fitness determined by own survival/reproductive success as well as the survival and reproductive success of relatives. Kin selection: helping relatives: affected by level of relatedness (cost/benefit) < coefficient of relatedness. Altruism: individuals acting counter to own personal interest for the betterment of the group: ex. More likely to be done around close relatives vs. non- relatives making own location known to predators to help kin escape. Shows animals have an ability to recognize kin. Kin recognition: altruism and natural selection. Group selection: individuals may act counter to their own personal interests for betterment of the group - altruism: living in groups changes behaviour among individuals, evolution of sociality accompanied by:
