BIOL 12100 Lecture Notes - Lecture 22: Eusociality, Inclusive Fitness, Social System
24 Feb 2015
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Increased vigilance overall, but reduced individual vigilance as group size increases. Groups form when predation risk is high. Group form in response to a common threat. More prey captured / individuals in group. Individuals to tell individuals where food is or where predators are. More activity in nest when schooling species of fish. Larger / fewer gametes and invest more in offspring. Smaller / many gametes invest less in offspring. Males resources mating females more quality more matig. Increases chance of mating / increase probability of being produced / decreased survivorship. Selection trait that confer advantage during mating. Behavior that seems to cost the doer. Genes to the next generation happens in two ways (inclusive fitness) p. 1135-37. Directly by producing of offspring = individuals fitness. Social system of bees, wasps, ants etc Division of labor, most individuals are sterile (don"t reproduce) All daughter will have 100% like dad, 50% like mom.
