Given the task definition and input, reply with output. Given a scientific passage and an answer, generate a question for the given answer.

Passage: Chemotrophic organisms break down either organic or inorganic molecules to supply energy for the cell. Some chemotrophic organisms can also use their organic energy-supplying molecules as a carbon supply, which would make them chemoheterotrophs. Answer: chemotrophic organisms
Which organisms break down either organic or inorganic molecules to supply energy for the cell?