Compared to aerobic respiration, anaerobic respiration

Question

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.

Answer 1

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