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Behavior (Response to Stimuli)

Total questions: 20

Worksheet time: 2hrs 38mins

Name
Class
Date
1.

In the movie, Tim says reflexes are "involuntary." What does this mean?

a)

. People learn them before the age of five

b)

People perform them without thinking

c)

People need to perform them to survive

d)

People always dislike performing them

2.
When the plant grows toward the stimuli
a)
Positive
b)
Negative
3.

What can you infer about the instinctive behaviors of many baby animals?

a)

They are usually fairly useless in the wild

b)

They usually revolve around avoiding humans

c)

They usually revolve around obtaining food and safety

d)

They are usually taught to them by their mothers

4.

Which of the following is a stimulus that might result in vomiting?

a)

A cut in the skin

b)

Low energy

c)

Hot temperature

d)

Eating spoiled food

5.

A fox spots a rabbit in a field. The fox begins to chase the rabbit, and the rabbit runs away. Which best describes the rabbit's behavior in response to the stimulus of being chased?

a)

It is a tropism.

b)

It is a fight-or-flight response.

c)

It is a response caused by hunger.

d)

It is a response caused by an internal stimulus.

6.

Which of the following is an external stimulus?

a)

Bacterial infection

b)

Hunger

c)

Temperature of environment

d)

Thirst

7.
What type of tropism is response to touch? 
a)
Gravitropism
b)
Phototropism
c)
Thigmotropism
d)
Hydrotropism
8.

Which of the following is an example of learned behavior in humans?

a)

Knowing which key opens a door

b)

Blinking or sneezing when you come out into a bright light

c)

Scratching mosquito bites

d)

Gagging when something is placed at the back of your mouth

9.

Which of the following describes homeostasis?

a)

keeps variables exactly at the set point

b)

organism's ability to maintain steady(stable) internal conditions

c)

acts to keep values outside of a desired range

d)

operates through positive feedback

10.

Dina is relaxing by walking her dog on a warm, sunny afternoon. Dina feels sweaty, and she sees that her dog is panting. Which is the most likely stimulus causing these responses in both Dina and her dog?

a)

hunger

b)

high temperature

c)

thirst

d)

light from the sun

11.
When the plant grows away from the stimuli
a)
Positive 
b)
Negative
12.

Courtship behavior helps organisms:

a)

Survive to old age

b)

Learn

c)

Eat

d)

Reproduce

13.

what type of tropism is occurring here?

a)

phototropism

b)

thigmotropism

c)

gravitropism

d)

tropictropism

14.

Which of these is an example of a plant responding to an internal stimulus?

a)

a leaf wilting because of lack of water

b)

the stem of a sunflower bending toward light

c)

a leaf closing when a bee brushes against it

d)

the roots of a tree growing downward, in the direction of gravity

15.

What is homeostasis?

a)

changes in a species over time

b)

the response of an organism to a stimulus

c)

the ability of an organism to reproduce

d)

the balance in an organism's internal environment

16.

The diagram shows the cell of a plant. What can you infer about the plant this cell came from by observing the plant cell?

a)

The plant needs sunlight.

b)

The plant is healthy.

c)

The plant is wilting.

d)

The plant is photosynthesizing.

17.

What is an example of a human reflex?

a)

Avoiding dangerous streets and neighborhoods.

b)

Feeling affection toward one's friends.

c)

Quickly moving back from the source of a sudden, startling noise.

d)

Screaming when one doesn't get what one wants.

18.

Which word best describes the response the seedlings are showing?

a)

homeostasis

b)

stimulus

c)

hibernation

d)

phototropism

19.
The maintenance of an organism’s internal environment is called:
a)
compensating
b)
homeostasis
c)
balancing
d)
routine
20.

Which of the following is an example of instinctive behavior?

a)

A puppy cuddling with its human owner

b)

A duckling swimming after its mother

c)

A young child learning how to read

d)

A kitten learning to use a litter box