External/Internal Stimuli Vocabulary

Homeostasis is...

• The maintenance of a stable internal environment.

• The maintenance of all environments.

Photosynthesis is...

• The plant’s ability to make carbon dioxide.

• The plant’s ability to take radiant energy (the sun’s energy) and convert it into chemical energy (sugar).

Click all things needed for photosynthesis.

• Carbons Dioxide

• Water

• Sunlight

• Dirt

What are the products of photosynthesis?

• Glucose (sugar)

• Oxygen

• Maltose

True/False: A stimulus causes a response.

• False

• True

True/False: A stimulus is a change in either the internal or external environment of an organism that prompts a reaction.

In animals, the _____________ and endocrine systems are involved in stimulus responses.

• Nervous System

• Cardiovascular System

• Skeletal System

What is dormancy?

• Saving energy

• Always active

A behavior is ....

• Only found in non-living organisms

• Nothing special

• Reaction to stimuli

Internal means...

• Inside of something

• outside of something (environment)