BIO 182 Lecture Notes - Lecture 25: Red Queen Hypothesis, False Advertising, Tangled
Document Summary
All of tinbergen"s questions define behavior: adaptive function, causation, development, evolutionary history. Operant conditioning learning by reward or punishment. Fitness ability to produce fertile offspring: indirect affect survival or some other part of life unrelated to reproduction, direct affect direction. Energetic cost energy required to perform an action. Risk cost chance of being hurt or killed because of an action. Opportunity cost benefit that the individual gives up by not performing an action. Tangled bank hypothesis more diversity creates more fit individuals. Red queen hypothesis can evolve to avoid diseases. Females are choosier because they get less shots at having offspring since they invest more which makes males more promiscuous. Cheating: false advertising, extra-pair copulations multiple mates, mate-guarding prevent other mates from fertilizing, chastity plugs prevents copulation with other mates. Mating systems: promiscuous no bonds between parents, monogamous one mate, polygamous multiple mates. Polygyny one male mates with many females.
