decreased primary consumer
The elodea is getting the carbon dioxide from its environment like when underwater animals breathe out carbon dioxide the plants will use that carbon dioxide. The plants can also get the carbon dioxide from the atmosphere which can "dissolve" in water.
Answer:Large molecules made up of many small organic molecules that are often referred to as monomers. Macromolecules are polymers of monomers.
Explanation:
Proteins
Enzymes are proteins that can lower activation energy of reactions in the body (I think).
