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2-Learning&Communic 09

2-Learning&Communic 09 - BSCI 106 Dr Via Lecture 2 Fall...

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BSCI 106 Lecture 2 Fall 2009 p. 1 Dr. Via Behavioral Ecology: Learning and Communication A. What is Behavioral Ecology? 1. how do organisms use behavior to modify their environment? 2. how does behavior influence interactions among organisms? B. Causes of Behavior (HOW DOES IT WORK??) 1. proximate vs ultimate? 2. Most behaviors have both a genetic and an environmental component a. continuum from genetic (innate) barb4right learned C. Innate BehaviorsAlso called “fixed action patterns” (FAP) 1. Require a “releaser” = simple signal that elicits FAP Ex: Chick distress calls releaser?__________________ Ex: Fighting in sticklebacks releaser?__________________ 2. releaser can be *simple * not very realistic Ex: pecking in herring gull chicks What is a supernormal stimulus??_ Q: Why might it be beneficial for these behaviors to be innate? D. Learned Behavior 1. “Conditioning” = Innate behavior elicited by __________ stimulus A.Classical conditioning Ex: Pavlov’s dogs dog+ meat = salivation dog+meat+light = salivation dog +light = salivation??
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