fermentation is entirely anaerobic wheras cellular respiration only has 1 out of 3 stages that is anaerobic, the other 2 being aerobic (need oxygen to carry out rweactions. from this you can tell...
To tell you the truth they are not similar at all. They have nothing to do with each other. I guess the way they work secrete or take in can be compared but they are different processes. Cellular...
Aerobic cellular respiration occurs in the presence of oxygen and anaerobic cellular respiration occurs in the absence of oxygen. Without the presence of oxygen, cellular respiration cannot go past...