The answer to this question should be: Calvin cycle
Calvin cycle is a chemical reaction that was done in the chloroplast of a plant. This is one of the reactions in photosynthesis. In Calvin cycle, carbon dioxide and water will be used to make carbohydrates(glucose). This reaction is forming energy using the sunlight so only autotrophic organism capable that will be able to do it.
The majority takes place in the small intestine
All characteristics of life rely on the sun.
The component is called 'resting metabolic rate. It operates when the body is at complete rest. It can also be called basal metabolism.