food chain A sequence of organisms in which plants are the primary food source for herbivores, which are in turn the food source for carnivores, etc., until the top carnivore level is reached.
(plants; are; the primary food source for herbivores) (herbivores; are; in turn) (the top carnivore level; is reached; )
plants herbivores the top carnivore level
are are is reached
the primary food source for herbivores
in turn