Final answer:
Autotrophs are organisms that make their own food through photosynthesis.
Step-by-step explanation:
Autotrophs are organisms that make their own food. They are able to do this through a process called photosynthesis, where they use sunlight, carbon dioxide, and water to produce glucose (sugar) and oxygen. Plants, algae, and some bacteria are examples of autotrophs. These organisms are essential in the food chain as they provide energy for other organisms.
Learn more about Autotrophs and photosynthesis