Internal and External Stimuli

Stimulus is...

• A change that prompts an action. It's the cause.

• The ability to maintain a stable internal environment (type of equilibrium or balance)

• How an organism reacts to a change and results in a change in behavior- the effect

• Constant and balanced environment

Response is...

• A change that prompts an action. It's the cause.

• The ability to maintain a stable internal environment (type of equilibrium or balance)

• How an organism reacts to a change and results in a change in behavior. It's the effect.

• Constant and balanced environment

A stimulus that comes from inside the body is called?

• outernal stimulus

• internal stimulus

• external stimulus

• stimulus check

A stimulus that comes from outside is called

• external stimulus

• internal stimulus

• outer stimulus

• Stimulus check

An animal is cold so it moves into the sun. What is the underline phrase?

• Stimulus

• Response

Getting a drink when you are thirsty. What is the underline phrase?

• Stimulus

• Response

It is a very hot, sunny day so a dog sits in the shade.

• External Stimulus

• Internal Stimulus

The skin helps regulate body temperature. When your body becomes too warm you...

• Sweat

• Shiver

• Blink

• Yawn

To ensure their survival animals must respond to each of the following internal cues EXCEPT

• Hunger

• Thirst

• Affection

• Sleep

When a lion hunts, it is responding to what stimulus?

• Thirst

• Sleep

• Heat

• Hunger