Given the question: You are presented with the question "What do organisms in the lowest trophic level use as food?" and the following answer choices: - Organic compounds - food and shelter - heat energy - Chemical energy - Chlorophyll - members of their own species - scarce resources - inorganic molecules Now knowing that producers make food from inorganic molecules and primary producers make up the lowest trophic level, choose the best answer.
The answer is:
inorganic molecules