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Behavioral Ecology Chapter 51

Why study animal behavior?. Understand Human nervous system.Child development.Human communication.Natural selection.. Animal Behavior . Behavior- a way an organism responds to stimuli in its environment.Two Parts:The How?- hormone levels, nerve impulses and pathways-Proximate Causation.The

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Behavioral Ecology Chapter 51

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    1. Behavioral Ecology Chapter 51 A. P. Biology Liberty Senior High School Mr. Knowles

    2. Why study animal behavior? Understand Human nervous system. Child development. Human communication. Natural selection.

    3. Animal Behavior Behavior- a way an organism responds to stimuli in its environment. Two Parts: The How?- hormone levels, nerve impulses and pathways-Proximate Causation. The Why?- adaptive value to animal’s survival or reproductive success- Ultimate Causation.

    4. What’s the difference between stimulus and response? Stimulus- some environmental change or factor that can be perceived by a sense. Response- an organism’s reaction to an environmental change.

    5. Ethology Study of natural history of behavior. Early ethologist, like Konrad Lorenz and Niko Tinbergen, believed behavior was based on instinct- innate. Example: Egg Retrieval in Geese Insect--> Frog’s Tongue

    6. Viewed Behavior in 3 Parts Sign Stimulus- appearance of some signal. Innate Releasing Mechanism- sensory mechanism that detects the signal. Fixed Action Pattern- stereotyped act or behavior.

    7. Show Me Egg Retrieval! Nature: Triumph of Life- Brain Power movie

    8. What a sign stimulus!

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