Answer: d. potential energy such as carbohydrates.
Explanation: Autotrophs are producers they produce there food through the process of photosynthesis.
Photosynthesis is the process in which green plant uses energy from sunlight, carbondoxide and water to produce sugar( glucose) and oxygen. Glucose the end product of photosynthesis is what is utilize as food by plants. Autotrophs uses light energy to produce potential energy i.e energy conserved through productuon of glucose.
