Final answer:
Complex carbohydrates are made up of sugar molecules in long, complex chains. They include starch, glycogen, cellulose, and chitin. Examples of complex carbohydrate-rich foods are peas, beans, whole grains, and vegetables.
Step-by-step explanation:
Complex carbohydrates are made up of sugar molecules that are strung together in long, complex chains. Examples of complex carbohydrates include starch, glycogen, cellulose, and chitin. These complex carbohydrates can be found in foods such as peas, beans, whole grains, and vegetables. Starch, in particular, is a complex carbohydrate that is made by plants to store energy, while glycogen is a complex carbohydrate that is made by animals and fungi to store energy.