Given the following reasoning and answer, what was the question? Heterotrophs get food by eating other living things. Animals are heterotrophs, or other-feeders. Animals get food by eating other living things.
 The answer: (G)

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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The question What do animals use as a food course?
Options:
- (A) it keeps an organism warm
- (B) water
- (C) Generating heat
- (D) Organic compounds
- (E) deadwood
- (F) light energy
- (G) other living things
- (H) inorganic