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BIOL 142 Chapter 54 study guide-1

BIOL 142 Chapter 54 study guide-1 - development physiology...

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BIOL 142 Study Guide. Chapter 54 . Animal Behavior Behavior = the way an animal responds to stimuli in the environment; always a proximate cause (how – the mechanical explanation) and an ultimate cause (why – the evolutionary explanation). Behavior is determined by both genetics/phenotype and by learning/experience - Innate behaviors – instinctive, no learning required (genetically programmed) - Learning – behaviors altered due to prior experience - Nonassociative (example: habituation ) - Associative (examples: classical and operant conditioning ) *instinct and learning can interact as behaviors develop (example: song-learning in birds) Important figures in the field: Konrad Lorenz studied imprinting in goslings; Niko Tinbergen studied gulls and described importance of understanding behavior in terms of
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Unformatted text preview: development, physiology, and function. Examples of some interesting types of behavior:- Cognitive behaviors (problem-solving, etc.) are found in many different animals - Communication used in courtship/mating and to facilitate group living, via: Pheromones (chemical) Acoustic signals (example: alarm calls) Light signals Visual Displays- foraging behavior, optimal diet- territorial behavior, securing resources- Sexual selection (intersexual selection = mate choice, intrasexual selection = competition) may lead to extra-pair copulations and/or alternative mating systems- social behavior: a society = a group that cooperates, displays altruism , may be due to kin selection...
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