Chapter 51

Chapter 51 - Chapter 51 (Animal Behavior) Behavior What an...

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Chapter 51 (Animal Behavior) Behavior What an animal does and how it does it Usually in response to stimuli in environment Proximate causes (immediate causes) Genetic, developmental, physiological Permit animal to carry out specific behavior Answer how questions Ultimate Causes Explains why a certain behavior occurs. Cost-Benefit Analysis Used to determine if a behavior is adaptive Benefits contribute to direct fitness Animal’s reproductive success Measured by number of viable offspring If benefits outweigh costs, behavior is adaptive. Natural Selection is essentially a cost-benefit analysis Heredity and Environment Behavior results from Interaction of genes (innate behavior) Environmental factors Capacity for behavior is inherited But modified in response to environmental experience Maturation For an organism to perform a pattern of behavior it must be mature Physiologically ready Motor programs Coordinated sequences of muscle actions Walking, other behaviors viewed as automatic Behavioral Pattern
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This note was uploaded on 02/29/2012 for the course BIO 123 taught by Professor Druger during the Spring '08 term at Syracuse.

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Chapter 51 - Chapter 51 (Animal Behavior) Behavior What an...

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