PSYC 327 02.01.07 Lecture #04

PSYC 327 02.01.07 Lecture #04 - PSYC 327 I Types of...

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PSYC 327 02.01.07 I) Types of questions in Animal Behavior and Cooperative Breeding -Evolutionary Origins (Ultimate Questions) -Functional Consequences (Ultimate Questions) -Ontogenetic Processes (Proximate Questions) -Physiological Processes (Proximate Questions) II) Why do birds sing? A) Evolutionary Origins: somewhere in their lineage, birds developed the ability to communicate via song B) Functional Consequences: song serves as a way for individuals of a species to announce their location and to be located (think: reproduction) C) Ontogenetic Consequences: Individuals inherit ability to sing from their parents D) Physiological Processes: throat musculature and respiratory system facilitate song production -Altruism: behaviors that help the recipient but present a significant cost to the donor’s fitness (or result in NO fitness) -Fitness: the ability to contribute your genes to the next generation -> don’t achieve fitness until you have grandchildren III) Inclusive Fitness and Kin Selection -Inclusive Fitness: an individual’s total genetic contribution to the next generation
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  • Spring '07
  • Miller
  • Kin selection, Inclusive fitness, fitness gains, -Direct Fitness Gains, -Indirect Fitness Gains, direct fitness gains

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PSYC 327 02.01.07 Lecture #04 - PSYC 327 I Types of...

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