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WorksheetsStimulus and Response
Total questions: 30
Worksheet time: 3hrs 30mins
What type of stimulus?
The smell of pizza
Internal
External
Loud fire alarm
Increasing pH levels in blood
Decreasing body temperature
Lights suddenly turn off
Touch a hot skillet
Increasing blood sugar levels
An infection in the body
Which situation best describes the act of maintaining homeostasis?
An organism sweating when their body temperature begins to rise
A plant on a window sill growing towards sunlight
A bear hibernating in the winter months
All of the above
Identify the stimulus....."Birds flock to shelter when it starts to hail outside
Birds flock to shelter
It starts to hail outside
Identify the stimulus..."A person shivers because it is cold outside"
Cold temperature
A person shivers
Identify the response..."A squirrel scratches at a flea bite"
A flea bite
A squirrel scratches
Identify the stimulus..."Roots growing down towards gravity"
Roots growing down
The force of gravity
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.
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.
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
Define homeostasis.
Maintaining balance in a living organism.
The imbalance inside of an organism.
None of the above.
Check all that apply. Which of the following are examples of an organism maintaining homeostasis?
Shivering when cold
Sweating when hot
Fever - an immune response when sick
Vomiting - releases toxins and wastes
Define stimulus.
Change in an organism’s environment that causes it to react.
How the organism reacts to the stimulus.
Define response.
Change in an organism’s environment that causes it to react.
How the organism reacts to the stimulus.
Stimulus is like the "cause" and response is like...
the cause
the effect
the reaction rate
the response time
The response is like the "effect" and the stimulus and like what?
the cause
the effect
the reaction rate
the response time
What are the two types of stimuli?
External and internal stimuli
External and intermediate stimuli
Internal and extraterrestrial stimuli
External stimuli...
Stimuli happening outside of the organism
Stimuli happening inside the organism
Internal stimuli...
Stimuli happening outside of the organism
Stimuli happening inside the organism
True or False: All organisms must maintain a stable internal balance in order to survive.
False
True
