WANI Dictionary

Food chain

A food chain is a linear feeding relationship in a community, which contains only a single organism from each trophic level.

Definitions in the literature

• a linear feeding relationship in a community, using a single representative from each of the trophic levels [1].
• The transfer of energy from green plants (the primary producers) through a sequence of organisms in which each eats the one below it in the chain and is eaten by the one above [2].