Which organisms are classified as autotrophs?

Autotrophs are organisms that can produce their own food through processes like photosynthesis or chemosynthesis. This characteristic is primarily found in plants and certain types of bacteria. For instance, green plants use sunlight to convert carbon dioxide and water into glucose and oxygen, while some bacteria can produce food using chemical energy from inorganic substances. This ability to synthesize their own nutrients distinguishes them from others like animals, fungi, or specific microbes that rely on consuming pre-formed organic material for sustenance.