1.2 Stimuli and Responses in Humans
Presentation
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Science
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3rd Grade
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Medium
KASMAWATI Moe
Used 17+ times
FREE Resource
13 Slides • 9 Questions
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By KASMAWATI Moe
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A stimulus is a change in an environment that causes a change in behavior.
Organisms maintain stability by responding to changes, or stimuli, in their environment.
A change is known as a response.
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Internal Stimuli Comes from inside of an organism
External Stimuli comes from outside of an organism
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Multiple Choice
You are at the mall walking through the food court. You smell fresh baked pizza and realize that you skipped lunch. You buy a piece of pizza and eat it before going to buy your CD
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Multiple Choice
You are walking home from school one day when a large dog jumps out at you from behind a tree. He starts to growl and shows his teeth. You quickly turn around and walk in the opposite direction.
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Multiple Choice
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Multiple Choice
Is the stimulus internal or external? Feeling hungry
Internal
External
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Multiple Choice
Identify the response..."An organism is hungry so it eats some food"
Feeling hungry
Eating food
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Multiple Choice
Identify the response..."A squirrel scratches at a flea bite"
A flea bite
A squirrel scratches
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Multiple Choice
Touch a hot skillet
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Multiple Choice
Loud fire alarm
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Multiple Choice
What type of stimulus?
The smell of pizza
Internal
External
By KASMAWATI Moe
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