Mycoderma aceti uses acetic fermentation to produce ATP
C2H6O+O2-->CH3COOH+H2O
Saccharomyces cerevisae uses alcoholic fermentation to produce ATP
C6H12O6-->2C2H5OH+2CO2
now i may just not understandthe question here but its probs D
Protist are eukaryotic organisms that cannot be classified as a plant animal fungus. They are mostly unicellular, but some like algae, are multicellular. Kelp, or “seaweed” is a large multicellular protist that provides food, shelter, and oxygen for numerous underwater ecosystems.
You're either talking about Community which means grouping of different organs or population which is the grouping of the same organ
B: They represent different concepts.