The answer is A.
—Evidence—
-Plants carry our both the processes, thus generating food and energy. In fact, cellular respiration is carried out continuously throughout their life, while photosynthesis is only carried out during the hours when sunlight is available.
-Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel.
- Plants have mitochondria and can perform cellular respiration.
