Answer: O made of polÿsaccharides and chitin
Explanation:
Answer:
therioes can bechanged over time because as new generations come things change
Answer:
oxygen and carbon dioxide
A carbohydrate is an organic compound such as sugar or starch, and is used to store energy. Like most organic compounds, carbohydrates are built of small, repeating units that form bonds with each other to make a larger molecule. In the case of carbohydrates, the small repeating units are called monosaccharides.