Chapter 25-Animal Behavior

Chapter 25-Animal Behavior - Chapter 25: Animal Behavior...

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Chapter 25: Animal Behavior
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Behavior Any observable activity of a living animal. Two categories: 1. Innate 2. Learned
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Innate ( instinct ) Essentially: programmed Can be performed without previous experience Performed completely , the first time Given correct stimulus (signal/motivation) and appropriate age Often performed immediately after birth
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Cuckoo Chicks – Brood Parasitism (Innate) Mom Cuckoo lays eggs in another bird’s nest. Baby Cuckoo hatches. Pushes host bird’s eggs out of nest. Host birds take care of baby Cuckoo.
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Sea Turtle Hatchlings After hatching from nest at night, move toward brightest light on the horizon (moon) – toward the ocean – otherwise they will dehydrate & starve.
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Learned Ability to make changes to behavior, based on experience Many different types Frog bites poisonous butterfly – spits it out – never bites that one again Humans beginning to speak language Birds use stars for navigation
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Simple Learning Habituation : decline in response to a repeated stimulus Prevents animal from wasting energy and attention on an irrelevant stimulus. EX: Sea anemone doesn’t waste energy retracting tentacles every time seaweed brushes up against it.
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Habituation
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Conditioning – Learned Association Between a Stimulus and a Response Complex Learning - Trial and error
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This note was uploaded on 05/27/2011 for the course BIO 112 taught by Professor Kirkpatrick during the Spring '11 term at Moraine Valley Community College.

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Chapter 25-Animal Behavior - Chapter 25: Animal Behavior...

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