The main function of carbohydrates is:
B. <u>Storing energy</u>
Explanation:
Photosynthesis is plants taking in water,carbon dioxide, and light to make sugar and oxygen. This is important because all living things need oxygen to survive. All producers make oxygen and sugar for the secondary consumers and then the carnivores eat animals that eat plants.
The hole reason for natural selection is to keep the Eco system in balance take something away it will fall apart or if you put to much of something the same thing will happen.