(ecology) a community of organisms where each member is eaten in turn by another member WordNet 3.0 & Open English WordNet

A food chain is a linear network of links in a food web starting from producer organisms and ending at an apex predator species, detritivores, or decomposer species. Wikipedia

A hierarchical or recursive list of predators and prey Wikipedia Disambiguation

Aspect of ecosystems Wikidata

A sequence of organisms on successive trophic levels within a community, through which energy is transferred by feeding; energy enters the food chain during fixation by primary producers (mainly green plants) and passes to the herbivores (primary consumers) and then to the carnivores (secondary and tertiary consumers). OmegaWiki