Answer:
all the thing that make it up
Explanation:
maybe search Google
Ecosystems can be large and are made of biomes. Some examples of ecosystems are deserts and forests.
Answer:
Nucleic acids are the most important macromolecules for the continuity of life. They carry the genetic blueprint of a cell and carry instructions for the functioning of the cell.
Trophic Levels describe the transfer and different stages of the organisms transferring energy. I just called it Trophic level energy flow in school.
