The energy yield in terms of ATP is higher in aerobic respiration than during anaerobic respiration. Why is there anaerobic respiration even in organisms that live in aerobic condition like human beings and angiosperms?
Anaerobic respiration generally does not lead to the production of a higher amount of energy as compared to the aerobic respiration process. But still, in certain circumstances, organisms do undergo anaerobic respiration in the absence of enough supply of oxygen.
Humans undergo anaerobic respiration in muscle cells when they are involved in intense physical activities, and the muscles are exhausted. Also, yeast undergoes anaerobic respiration when there is a dearth of atmospheric oxygen in the surroundings.