A plant grows towards the sunlight shining in the window.

You have a fever, so your body starts to sweat.

Your dog starts to shed a summer is approaching.

There is a drought, so the plants begin to die.

You're stomach is growling so you eat.

How an organism reacts to a change in their environment.

Any change in an organism's environment

Comes from outside an organism.

Comes from within an organism.

Natural and automatic reaction

A response than an organism was taught

Your stomach growled so you ate food. What was the stimulus?

Your dog drooled when you gave it a treat. What was the stimulus?

You flinched when a snowball was thrown at you. What was the response?

Your cat ran when your dog chased it. What was the response?

A baby taking its first breath.

A dog running an agility race.

Geese flying south for winter.

Spider spinning a web to catch food.

A dog barking to go outside.

A kid being afraid of the doctors office.

A prairie dog building a tunnel.

A racoon digging in the trash can for food.