01:119:115 Lecture Notes - Lecture 23: Circadian Clock, Proximate And Ultimate Causation, Fixed Action Pattern
21 Jul 2019
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Document Summary
Action carried out by muscles under control of nervous system. What is happening to the body and the influence cause determine how they react. How to do animal"s experiences influence responses: ultimate causation. Why does this behavior aid survival and reproduction. Unlearned behavior in response to a sign stimulus. Once initiated - there are several steps carried to completion: migration. Position of the sun or circadian clock. Crepusular - most active at dawn or dusk or both. Circannual rhythm - yearly cycle of season: communication. Signal - behavior that causes a change in another animal"s behavior. Communication - the transmission and reception of mutually recognizable signals. The way they wiggle their behind, determines which direction to go to. Innate behavio r - does not vary among individuals. Other behaviors vary with experience and differ between individual. Learning - modification of behavior resulting from specific experiences: learning. Imprinting - establishment of a long-lasting behavioral response to a particular individual or object.
