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Anbehexam1review - Welcome to Animal Behavior Foundation 1 Natural selection Konrad Lorenz and imprinting Early behavior shapes our social behavior

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1 1 Konrad Lorenz and imprinting Early behavior shapes our social behavior in adulthood Welcome to Animal Behavior 2 Why do male lions commit infanticide? Foundation 1. Natural selection http://www.youtube.com/watch?v=xZRw0IYdf3g 3 http://www.youtube.com/watch?v=iKjxp6L7UDM Foundation 2. Cultural transmission How much behavior is learned from others? 4 Foundation 3. Learning http://nobelprize.org/educational_games/medicine/pavlov/index.html How much behavior is learned through experience? 5 Ethogram 1. Observing behavior Observations 1. 2. 3. 4. Naming stereotypical behaviors Are they events? “Horse rips up grass 4/minute” Are they states? “Horse rests 1 hour” Describe structure? “Horse lifts leg” Describe consequences? “Horse obtains food” 6 Ethogram A catalog of the discrete behaviors typically used by a species. These behaviors are sufficiently stereotyped that an observer may record: 1. the number of such acts 2. the amount of time engaged in the behavior Focus on discrete species-typical innate behaviors. Are an early stage of investigating the behaviors of a species. No reference to purpose of behavior.
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2 7 1.9 A variable species -- the ladybird beetle Evolutionary change requires 1. Variation -- members of a species differ in some characteristics 2. Heredity -- parents pass on some of their distinctive characteristics 3. Differences in reproductive success -- some individuals have more surviving offspring Foundation 1. Natural Selection For Exam 1, look for examples of these three requirements. 8 1.8 Charles Darwin, shortly after returning from his around-the-world voyage on the Beagle Charles Darwin British Naturalist 1809-1882 The Origin of Species (1859) “I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection .” 9 2.14 The phylogeny of song learning in birds Song learning in 3 of 23 avian orders Parrots, hummingbirds, passerine songbirds (sparrows) cladogram For Exam 1, wonder why singing in birds is chapter 2. How does this incorporate natural selection, cultural learning, and learning? 10
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This note was uploaded on 04/30/2008 for the course BIO 467 taught by Professor Specker during the Spring '08 term at Rhode Island.

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Anbehexam1review - Welcome to Animal Behavior Foundation 1 Natural selection Konrad Lorenz and imprinting Early behavior shapes our social behavior

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