+A food chain illustrates the flow of [Energy](/wiki/energy) through an ecosystem, showing who eats whom. It begins with [Producers](/wiki/producers) and moves through various consumers, connecting organisms by their essential feeding relationships.
+## See also
+- [Ecosystem](/wiki/ecosystem)
+- [Predation](/wiki/predation)
+- [Trophic Levels](/wiki/trophic_levels)
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