which one of these is NOT a heterotroph? a. herbivores; b. omnivore; c. carnivores; d; producers; or e. these are all heterotrophs

d. producers

Producers, also known as autotrophs, are organisms that can produce their own food through photosynthesis or chemosynthesis. They convert energy from sunlight or inorganic substances into organic molecules, such as glucose, which heterotrophs (organisms that cannot produce their own food) consume.