9 Grammatical Pitfalls
producer pro·duc·er (prə-dōō'sər, -dyōō'-, prō-)
A photosynthetic green plant or chemosynthetic bacterium, constituting the first trophic level in a food chain; an autotrophic organism.
An autotrophic organism that serves as a source of food for other organisms in a food chain. Producers include green plants, which produce food through photosynthesis, and certain bacteria that are capable of converting inorganic substances into food through chemosynthesis. Compare consumer.