Which statement best describes a food chain?

one pathway through which energy moves from one trophic level to the next

the various interconnected relationships in an ecosystem

a relationship between a predator and its prey

the types of producers in an ecosystem

I think the correct answer from the choices listed above is the first option. A food chain is a one pathway through which energy moves from one trophic level to the next. It shows how each living thing gets food, and how nutrients and energy are passed in a single path.