Final answer:
Carbohydrates serve various functions in organisms' bodies, providing energy and support.
Step-by-step explanation:
Carbohydrates serve various functions in organisms. Three examples of carbohydrates include:
Starch: It is found in plants and serves as a form of energy storage.
Glycogen: It is found in animals and serves as a form of energy storage.
Cellulose: It is found in plant cell walls and provides structural support.
These carbohydrates play vital roles in providing energy and support for organisms' bodies.