AP BIOLOGY

Detailed explanation-1: -Encyclopedic entry. An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers.

Detailed explanation-2: -Green plants use sunlight and carbon dioxide from the atmosphere to produce carbohydrates by the process of photosynthesis. Since, plants produce food for themselves, they are known as producers.

Detailed explanation-3: -Plants are producers. They make their own food, which creates energy for them to grow, reproduce and survive.

Detailed explanation-4: -Photoautotrophs: The name photoautotroph is given to green plants because the green plants do photosynthesis for their own food. Chlorophyll is the pigment found in the leaves of green plants used for the synthesis of food.