lecture 32 - EBIO 1220 General Biology Lecture 32...

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EBIO 1220 General Biology Lecture 32 Behavioral Ecology April 17, 2006 1 Behavioral Ecology (Chap. 51) What is behavior? Nature vs Nuture? Overview Behavioral ecology How behavior is controlled How it develops, evolves and contributes to survival and reproductive success Includes muscular and nonmuscular activity Solving problems from conservation of endangered species to control of emerging infectious diseases But…. What is Behavior? What we observe Animal’s muscular activity, as in chases its prey or raising a fin in territorial display Less obvious … Secretion of hormone to attract opposite sex Learning Juvenile bird reproducing a song Two classes of scientific questions: Proximate ( how ) : immediate stimulus and mechanism for the behavior E.g how does day length influence breeding? Production and responses to particular hormones e.g why did natural selection favor this behavior and not another? early summer Ultimate ( why ) : how behavior contributes to survival and reproduction; evolutionary perspective Ethology Discipline developed in mid 20th century
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lecture 32 - EBIO 1220 General Biology Lecture 32...

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