Plants use sunlight to produce some ATP during photosynthesis. How do plants produce ATP when the Sun is not out?
a. Plants are secondary consumers.
b. Plants also use cellular respiration.
c. Plants extract ATP from the stars.
d. Plants are weak in the dark.
The correct answer is letter b. Plants also use cellular respiration. Plants use sunlight to produce some ATP during photosynthesis. When the sun is out, plants produce ATP for cellular respiration. Cellular respiration is a metabolic reaction that happens in cells of organisms that take energy from ATP.
