Food web
Definition: The network of interconnected food chains in an ecosystem, showing all the feeding relationships between its organisms.
In simple words: Who eats whom in an ecosystem, drawn as a connected web rather than a single line.
More about food web
Food webs show that most organisms eat, and are eaten by, more than one other species. Removing one species can affect many others.
Each Biosphere habitat guide includes a simple view of its ecological relationships, from producers to decomposers.