lecture9_10bb

Lecture9_10bb - • Manipulation • Reciprocity Donor and recipient change roles over time Prisoner’s Dilemma Cooperate Defect Cooperate 3

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Explanations for seemingly altruistic behavior Kin selection Mutualism – both individuals benefit
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Mutualism ex: lionesses
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Explanations for seemingly altruistic behavior Kin selection Mutualism Manipulation – duped into performing costly act
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Manipulation ex: brood parasitism (cuckoos)
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Egg mimicry in cuckoos Host species Cuckoo
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Explanations for seemingly altruistic behavior Kin selection Mutualism
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Unformatted text preview: • Manipulation • Reciprocity- Donor and recipient change roles over time Prisoner’s Dilemma Cooperate Defect Cooperate 3 Defect 5 1 Player A Player B Evolutionarily Stable Strategy (ESS)- A strategy set that can not be invaded by another strategy set. Axelrod (1984) - round-robin tournament of strategies for the Prisoner’s Dilemma Winner: tit-for-tat Vampire bats Baboons...
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This note was uploaded on 11/14/2010 for the course BIOL 201 taught by Professor Mitchell during the Spring '07 term at UNC.

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Lecture9_10bb - • Manipulation • Reciprocity Donor and recipient change roles over time Prisoner’s Dilemma Cooperate Defect Cooperate 3

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