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Feeding Behavior II

Feeding Behavior II. Adaptive value of feeding behavior and Game Theory. Competition Heritable behavioral differences in population = strategies Persistence of strategies: frequency dependent selection Fitness of a strategy changes with its frequency

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Feeding Behavior II

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  1. Feeding Behavior II

  2. Adaptive value of feeding behavior and Game Theory • Competition • Heritable behavioral differences in population = strategies • Persistence of strategies: frequency dependent selection • Fitness of a strategy changes with its frequency • E.g., cichlid fishes, Lake Tanganyika, Africa

  3. Adaptational puzzles: web “ornamentation” H1 : camoflauge H2 : intimidation

  4. H3: attracts prey

  5. Clay eating: cation exchange sites that bind + charged alkaloids

  6. Spice use by humans

  7. Using information provided by other individuals

  8. Location of resources: honey bee communication Round dance = search within 50 m of hive

  9. Search in a particular direction at a certain distance from hive

  10. Waggle dance

  11. Distance to food source: amount of image motion recorded

  12. Evolution of behavior

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