Which kind of organism is an autograph?

ANSWER:

Autographs are organisms that can prepare their own food by making use of chemicals.  

EXPLANATION:

Autographs can prepare their own inorganics molecules using inorganic molecules. The autographs basically prepare glucose as an organic compound so that they can get energy. Autographs can be photosynthetic organisms or chemosynthetic organisms. The photosynthetic organisms include plants that make their food by the process of photosynthesis. Chemosynthetic organisms make use of chemicals for preparing their food.