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Lec_15_S07

Lec_15_S07 - More Topics in Behavior Cooperation Altruism...

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1 More Topics in Behavior Cooperation Altruism Sociality/Social Behavior Cooperation Displaying a behavior that benefits another individual How many things can you think of that represent cooperation? How is this different from mutualism, or is it?
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2 Social Interactions Wild dogs involved in group hunting, a cooperative behavior Social interactions These can also involve territoriality or aggressive interactions What are some of the ways social interactions can occur? Just plain mean Selfish Recipient incurs a cost Altruistic Cooperative Recipient benefits Giver incurs a cost Giver benefits
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3 Cooperative Breeding Low mortality Group living Roost availability
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4 How might altruistic behaviors evolve? Giver is manipulated by receiver Increases fitness of the giver Reciprocation in the future The giver and receiver are related Different types of selection Group selection – Reproduce more slowly – Migration – cheaters Kin selection
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  • Spring '05
  • Thomas
  • Kin selection, social interactions, Cooperative Giver, benefits Cooperative Giver, Altruism Sociality/Social Behavior, Low mortality Roost

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