Consider the question. Energy enters what in the form of sunlight or chemical compounds.
Options:
- (A) biomes
- (B) fire
- (C) light
- (D) Energy.
- (E) Energy
- (F) LEDs
- (G) propagate
- (H) photons
 What is the step-by-step reasoning process to arrive at the answer: (A)?

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.
user
Energy enters ecosystems in the form of sunlight or chemical compounds. Biomes are global ecosystems. Energy enters biomes in the form of sunlight or chemical compounds.