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AP Bio unit 8 topic1

QuestionAnswer
What is ethology? study of how genetic and environmental factors shape behavior
What is behavior? an animal’s response to a stimulus
What two factors influence behavior? genetic and environmental factors
What is a proximate cause of behavior? how a behavior occurs or is modified
What is an ultimate cause of behavior? why a behavior occurs in evolutionary terms
What is an example of proximate cause? hormonal or neural mechanisms triggering behavior
What is an example of ultimate cause? how behavior increases survival and reproduction
What are innate behaviors? behaviors that are inherited and developmentally fixed
What are learned behaviors? behaviors shaped by experience or environment
What is a fixed action pattern? unlearned sequence of acts triggered by a sign stimulus
What is imprinting? long-lasting behavioral response formed during a critical period
What is spatial learning? memory formation based on spatial structure or landmarks
What is associative learning? associating one environmental feature with another
What is social learning? learning through observing or imitating others
What is the biological clock? internal mechanism that controls timing of behaviors
What is a circadian rhythm? internal rhythm following about a 24-hour cycle
What are diurnal animals? active during the day
What are nocturnal animals? active during the night
What are crepuscular animals? active at dawn or dusk
What is taxis? directed movement toward or away from a stimulus
What is kinesis? change in activity rate or turning due to a stimulus
What is migration? regular long-distance movement triggered by environmental cues
What cues guide migration? sun position, Earth’s magnetic field, chemical cues
What is phototaxis? movement in response to light
What is chemotaxis? movement in response to chemicals
What is geotaxis? movement in response to gravity
What is phototropism? plant growth toward or away from light
What is photoperiodism? plant response to day length
What is the main function of behavior? increase survival and reproduction
What type of selection acts on behavior? natural selection
Created by: aayush123654
 

 



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