Stimulus and Response

Question 1

What is a stimulus?

Answer 1

an action or condition that causes a response

Question 2

What is a response?

Answer 2

how an organism responds to a stimuli

Question 3

Why do organisms react to stimuli?

Answer 3

to maintain homeostasis and survive

Question 4

What are the types of stimuli with examples?

Answer 4

External: light and sound

Internal: hunger and pain

Question 5

Evaluate: hunger

Answer 5

Stimuli: internal, hunger pains
Response: eating food

Question 6

Evaluate: body temperature

Answer 6

Stimuli: internal, internal temp. too low
Response: reptiles sit on hot rocks

Question 7

Evaluate: plant wilting

Answer 7

Stimuli: internal, no water in plant cells
Response: plant wilts

Question 8

What are the responses to a survival threat?

Answer 8

Fight: reacting and standing ground
Flight: retreating and running away