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Lec 32 - Economic Decisions for the Foraging Individual

"Lec 32 - Economic Decisions for the Foraging Individual" Principles of Evolution, Ecology and Behavior (EEB 122) There are several ways to examine the behaviors of organisms when they forage or hunt for food or mates. These behaviors become more complex in higher organisms, such as primates and whales, which can hunt in groups. Foragers and hunters have been shown to examine the marginal cost and marginal benefit of continuing an action and then adjust their behaviors accordingly. They are also able to handle risk by hoarding resources. 00:00 - Chapter 1. Introduction 05:30 - Chapter 2. The Marginal Value Theorem 12:05 - Chapter 3. Inferring the Fitness Measure Used by Foragers 14:18 - Chapter 4. Dealing with Risk 16:58 - Chapter 5. How Predators Shape Crypsis and Conspicuousness 28:09 - Chapter 6. Hunting in a Group 45:28 - Chapter 7. Conclusion Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses This course was recorded in Spring 2009.

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Channels: Ecology

Tags: Behavior economics foraging hunting reproduction marginal value fitness risk predation groups crypsis chimpanzees

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Duration: 49m 38s

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Lecture list for this course

Lec 1 - The Nature of Evolution: Selection, Inheritance, and History

Lec 2 - Basic Transmission Genetics

Lec 3 - Adaptive Evolution: Natural Selection

Lec 4 - Neutral Evolution: Genetic Drift

Lec 5 - How Selection Changes the Genetic Composition of Population

Lec 6 - The Origin and Maintenance of Genetic Variation

Lec 7 - The Importance of Development in Evolution

Lec 8 - The Expression of Variation: Reaction Norms

Lec 9 - The Evolution of Sex

Lec 10 - Genomic Conflict

Lec 11 - Life History Evolution

Lec 12 - Sex Allocation

Lec 13 - Sexual Selection

Lec 14 - Species and Speciation

Lec 15 - Phylogeny and Systematics

Lec 16 - Comparative Methods: Trees, Maps, and Traits

Lec 17 - Key Events in Evolution

Lec 18 - Major Events in the Geological Theatre

Lec 19 - The Fossil Record and Life's History

Lec 20 - Coevolution

Lec 21 - Evolutionary Medicine

Lec 22 - The Impact of Evolutionary Thought on the Social Sciences

Lec 23 - The Logic of Science

Lec 24 - Climate and the Distribution of Life on Earth

Lec 25 - Interactions with the Physical Environment

Lec 26 - Population Growth: Density Effects

Lec 27 - Interspecific Competition

Lec 28 - Ecological Communities

Lec 29 - Island Biogeography and Invasive Species

Lec 30 - Energy and Matter in Ecosystems

Lec 31 - Why So Many Species? The Factors Affecting Biodiversity

Lec 33 - Evolutionary Game Theory: Fighting and Contests

Lec 34 - Mating Systems and Parental Care

Lec 35 - Alternative Breeding Strategies

Lec Last - Selfishness and Altruism

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