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Intro to Ecology Chapter 52 - Intro to Ecology Physical...

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Intro to Ecology Physical Environment 52: 1148-1173 Behavioral ecology Foraging and defense against predation Mate choice and sexual selection Kin selection and altruism 51: 1120-1142 Population ecology Structure, dynamics, & regulation of populations Life histories Human populations through history Population management 53: 1174-1197 Community ecology Competition, Predation, parasitism, mutualism Keystone species Island Biogeography 54: 1198-1221
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Chapter 51 Notes: Animal Behavior Overview: Shall We Dance - Animal behavior is based on physiological systems and Processes - Individual behavior: an action carried out by muscles or glands under control of the nervous system in response to a stimulus - Behavior is essential for nutrients, digestion, finding mates, homeostasis - All of animal physiology contributes to behavior…behavior influences all of physiology - Behavior is subject to substantial natural selection over time ( selection on behavior also affects anatomy) Concept 51.1: Discrete sensory inputs can stimulate both simple and complex behaviors - An animal’s behavior is the sum of its response to external and internal stimuli - Ethology: study of how animals behave, particularly in their natural environments - Understanding Any Behavior Requires Answering the Following Questions: 1. What stimulus elicits the ehavior, and wht physiological mechanisms mediate the response?* 2. How does the animal’s experience during growth and development influence the response?*
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