Question

where do chemotrophs get their energy and matter?
sunlight
chemical compounds
they consume other organisms

Explanation:

Chemotrophs are organisms that obtain energy and matter from chemical compounds. This is in contrast to phototrophs, which use sunlight (eliminating option A). Option C describes heterotrophs that consume other organisms, not chemotrophs. By definition, chemotrophs rely on chemical compounds for energy and matter.

Answer:

B. chemical compounds