Chapter 1 Notes

Chapter 1 Notes - ANIMAL BEHAVIOR WHAT IS BEHAVIOR? What...

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1 ANIMAL BEHAVIOR WHAT IS BEHAVIOR? • What organisms “do” – First line of interaction between animal and environment • Numerous examples – Feeding – Habitat selection – Communication – Reproduction, socializing, self-maintenance, etc Crossbill Ponderosa pine cones
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2 Crossbills are specialized to find cones: Wander nomadically in coniferous forests to locate unpredictably-distributed cone crops Engelmann spruce with heavy cone crop Crossbill prying up cone scale Crossbills also specialized to extract and handle conifer seeds Seeds Specialized bill, jaw, tongue, musculature
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3 Evening Grosbeak Female Male Grosbeaks produce a variety of vocalizations Sound spectrograms of some evening grosbeak calls Why do evening grosbeaks produce these different calls?
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WHY IS BEHAVIOR IMPORTANT? • “PURE SCIENCE” REASONS – Critical to survival and reproductive success: • Internal homeostasis – Temperature – Water/salt balance – Energy balance and nutrition • Predator avoidance • Reproduction WHY IS BEHAVIOR IMPORTANT? • “APPLIED” REASONS – Understanding ourselves – Control of pests, diseases, etc Control of pests, diseases, etc – Conservation SMALL MEDIUM
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This note was uploaded on 04/09/2010 for the course NPB NPB 102 taught by Professor Hahn during the Spring '10 term at UC Davis.

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Chapter 1 Notes - ANIMAL BEHAVIOR WHAT IS BEHAVIOR? What...

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