PSYCH 1XX3 Chapter Notes - Chapter module: Advanced Maternal Age, Hymenoptera, Inclusive Fitness
6 Apr 2016
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Altruism helping others at a cost to yourself. Almost all honeybees in a colony don"t reproduce, and instead of reproducing, they spend their lives helping make sure their colony survives and helping raise the eggs laid by the queen bee. Also, ground squirrels give alarm calls to warn others when predator in area, this draws attention to themselves, but they do this to give everyone a chance to flee. Evolution acts at the level of genes: genes that lead to higher fitness get replicated more often. Selfish genes natural selection will favor genes and gene complexes that best serve their own interest like replication. Types of social behaviors: -effect on actor"s well being. Sometimes, increasing the fitness of others can improve your own fitness. When geese look for food, it is better to have a bigger group helping because even though you must share your food, next time they find food, you can also get some.
