The answer to this is the remains and waste products of plants, animals and other living things organisms.
I do not know if it’s a bad thing but it’s okay so if you don’t do have a great day
Answer:
A a living thing that has undergone a mutation.
Explanation:
Answer:
I think it is D
Explanation:
Plants are all of the above (I,II,III) but fungi are heterotrophic, but other than that they have a cell wall in their eukaryotic cells and are multicellular, so it is most likely D.
The brain stem is the answer that you are looking for