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Stimulus

Total questions: 21

Worksheet time: 11mins

Name
Class
Date
1.

something that causes a response is called a

a)

response

b)

stimulus

c)

touch

d)

survival

2.

What type of stimuli originate in the environment around an organism?

a)

external

b)

internal

3.

How an organism reacts to internal or external stimuli...

a)

geotropism

b)

homeostasis

c)

response

d)

photosynthesis

4.

the body's ability to regulate its inner environment in response to changes in the outside environment is called...

a)

phototropism

b)

homeostasis

c)

response

d)

warm

5.

An example of an internal stimuli would be...

a)

A rabbit sees a fox is about to attack

b)

A rabbit is hungry

c)

A rabbit hears a shotgun go off

6.

An example of an external stimulus would be...

a)

You want a drink of water

b)

You are hungry

c)

You feel nauseated

d)

You get cold when you walk outside

7.

Identify the stimulus....."Birds flock to shelter when it starts to hail outside

a)

Birds flock to shelter

b)

It starts to hail outside

8.

When an animal is lacking hydration (water), it responds by -

a)

feeling hungry

b)

blinking rapidly

c)

sweating excessively

d)

feeling thirsty

9.
What is the internal stimulus that most likely causes the bear to catch the fish?
a)
protection
b)
thirst
c)
anger
d)
hunger
10.
The body's ability to keep the internal balance of the body stable 
a)
Homeostasis 
b)
motion
c)
geotropism
d)
phototropism 
11.

A chef picks up a hot pot and drops it. What was the stimulus?

a)

The hot pot

b)

Dropping the pot

12.

A stimulus that comes from INSIDE an organism is

a)

an external stimulus

b)

an internal stimulus

13.

Is Stimulus and Homeostasis The same thing.

a)

Yes

b)

No

14.

Do all Living things respond to the environment

a)

No

b)

Yes

c)

Some

d)

other

15.

Do bacteria respond to stimulus

a)

No

b)

Yes

16.

Screaming due to fear

a)

stimulus

b)

response

17.

Bright light

a)

stimulus

b)

response

18.

A doctor taps on a patient's knee. What is the response?

a)

The patient kicks

b)

The doctor taps on the patient's knee

19.

A driver stops the car, because she sees a red light. What was the stimulus?

a)

The red light

b)

Stopping the car

20.

What type of stimulus is thirst?

a)

Internal

b)

External

c)

Learned

d)

Instinct

21.

What are the two types of stimuli?

a)

Internal and External

b)

Learned and Instinct

c)

Internal and Instinct

d)

External and Learned