Stimulus and Response

Front

What is a stimulus?

Back

A stimulus is something that causes a reaction or response in an organism. For example, the smell of food can stimulate hunger.

Front

What is a response?

Back

A response is the reaction of an organism to a stimulus. For example, sweating when running is a response to the stimulus of physical activity.

Front

Give an example of a stimulus and its response.

Back

Stimulus: A loud noise. Response: Covering ears or feeling startled.

Front

What happens when a plant is exposed to sunlight?

Back

The plant grows towards the light, which is a response to the stimulus of sunlight.

Front

What is the relationship between stimulus and response?

Back

A stimulus triggers a response in an organism, creating a cause-and-effect relationship.

Front

What is an example of a negative response to a stimulus?

Back

Flinching when touching something hot is a negative response to the stimulus of heat.

Front

What is an example of a positive response to a stimulus?

Back

Smiling when receiving a compliment is a positive response to the stimulus of kind words.

Front

How do animals respond to danger?

Back

Animals may flee, hide, or fight in response to the stimulus of danger.

Front

What is a reflex action?

Back

A reflex action is an automatic response to a stimulus that does not involve conscious thought, like pulling your hand away from a hot surface.

Front

What is the role of the nervous system in stimulus and response?

Back

The nervous system processes stimuli and coordinates responses, allowing organisms to react quickly to their environment.