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Lecture 4 - Lecture 4 Jan 11 Study of Behavior Behavioral...

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1 Lecture 4: Jan. 11 Study of Behavior & Behavioral Ecology • Proximate vs. Ultimate Causes • Types of Behavior • Learning • Communication Discussion Activity for Next Week Population Ecology Simulations - read handout before you come to discussion (week 3) Reading: Ch. 51 : 1166-1183 GSI SLC Office Hours Master Schedule Posted Biology in the News Behavior: Everything that an animal does, how it does it, and why it does it Behavioral Ecology: Study of behavior that include: HOW behavior is controlled HOW behavior develops WHY behavior evolved HOW behavior improves survival and reproductive success Proximate vs. Ultimate Causes After observing and describing a behavior, biologists want to explain both its proximate and ultimate causes. Proximate causes = mechanistic explanation = how behavior occurs and develops – focus on neurological, hormonal, skeletal-muscular mechanisms Ultimate causes = evolutionary explanations = why behavior occurs; its function, effect on fitness and evolutionary origin (history) these two approaches to studying behavior complement one another
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