autotrophorganism that can capture energy from sunlight or chemicals and use it to produce its ownfood from inorganic compounds; also called a producerheterotrophorganism that obtains energy from the foods it consumes; also called a consumersAdenosine triphosphateATP, the main energy source that cells use for most of their work. It is made up of threephosphate groups, a 5-C sugar (ribose), and an adenine.photosynthesisprocess by which plants and some other organisms use light energy to convert water andcarbon dioxide into oxygen and high-energy carbohydrates such as sugars and starchespigmentlight-absorbing molecules are found in chloroplasts, and are used by plants to gather thesun's energyChlorophyllLight-absorbing pigment in plants and some protists that is required for photosynthesis;absorbs most wavelengths of light except for green. Chlorophyll A is the primary pigment inmost plants.NADP+