lecture31 - BioNB 2210: Lecture 31 Nov. 7, 2011 Lecture 31:...

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BioNB 2210: Lecture 31 Nov. 7, 2011 Lecture 31: Human Cooperation Pat Barclay Learning Objectives: 1) To understand how natural selection can result in organisms helping others, even non-relatives 2) To understand how “selfish genes” can result in altruistic sentiment 3) To learn about the concept of public goods, in order to understand the specific difficulties of maintaining cooperation in groups A. Humans are a very cooperative species 1. Cooperation based on kinship is relatively common in the animal kingdom, including among humans 2. Cooperation with non-kin is less common in the animal kingdom 3. Humans regularly cooperate and trust non-kin members, and many groups rely on this non-kin cooperation B. The logic of mutual cooperation 1. Two individuals helping with each other are better off than individuals who do not do this cooperation 2. Cooperation can be vulnerable to invasion by non-cooperators 3. This can be modeled with a Prisoner’s Dilemma. The following are the payoffs to
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lecture31 - BioNB 2210: Lecture 31 Nov. 7, 2011 Lecture 31:...

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