Compared to aerobic respiration, anaerobic respiration

a
requires oxygen and can produce products such as lactic acid or alcohol.
b
does not require oxygen and produces oxygen and glucose as forms of stored energy that are utilized by the cell.
c
produces 38 ATP molecules per reaction and generates 70% more energy
d
does not produce as much ATP and comes into action as an energy backup for aerobic organisms.

d) does not produce as much ATP and comes into action as an energy backup for aerobic organisms.