The food chain (or food web) is all of the interactions between predators and prey in which plants and animals obtain nutrition.
(The food chain (or food web; is; all of the interactions between predators and prey) (plants and animals; obtain; nutrition; L:the interactions between predators and prey)
The food chain (or food web plants and animals
is obtain
all of the interactions between predators and prey
nutrition L:the interactions between predators and prey