Lecture 21 behavior posted

Lecture 21 behavior posted - BIO 311D LECTURE 321 Behavior...

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Unformatted text preview: BIO 311D LECTURE 321 Behavior What is behavior? What animals do and how and why they do it – communication and response. Can be species specific, individual specific, or developmentally specific. Two kinds – 1. Innate 2. Learned Conscious awareness – what is it? Will we ever know what animals are thinking? Innate (instinctual) behaviors Examples – Web-weaving in spiders – Begging for food in chicks (pecking at high contrast “bill” in herring gulls) – Chick “crouching” in many ground-nesting birds – Imprinting on “parent” at hatching – (Smiling and contagious yawning in humans) Imprinting Learning Chicks do not crouch Chicks crouch Song acquisition in white-crowned sparrows Associative learning (operant conditioning) Positive reward learning Negative reward learning Small minds Intelligence Behavioral genetics Behavior – a combination of genetics and environment. Genetics 1. Species specific 2. Can reproduce behaviors 3. A change in biology can affect behavior 4. Some behaviors run in families of humans 5. Related species show similar behaviors 6. Some behaviors of an individual are patterned. What behaviors are studied with genetics in mind? What behaviors are studied with genetics in mind?...
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This note was uploaded on 05/07/2008 for the course BIO 311D taught by Professor Reichler during the Spring '08 term at University of Texas.

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Lecture 21 behavior posted - BIO 311D LECTURE 321 Behavior...

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