What best describes the role of producers in an ecosystem?

They produce food for the consumers
they are organisms that can produce their own food

Here is your answer!
Photosynthesis is a process in which an organism uses inorganic carbon to synthesize organic compounds using solar energy or light. Autotrophs are aproducer because they too create their own food via inorganic substances, such as carbon dioxide. The consumers who feed on producers are heterotrophs.