It is A. Those are all decomposers, the other answers like C are all animals. Decomposers are are biotic organisms that break down basically dead plants or animals.
B.the mass of carbon dioxide plus water is less than that of paper plus oxygen.
Answer:
a.Plant cells are the only cell that are part of the cell theory
Explanation:
all cells are part of the cell theory. despite what kind they are
Heterotrophs depend on photosynthesis as a source of oxygen
