In any ecosystem there are lots of food chains that all link together. This is called a food web. A food web is all the food chains that make up an ecosystem, from producers to consumers to top ...

Food chains show the feeding relationships between organisms. Food webs show how all the food chains in an ecosystem interact. A food chain shows the feeding relationship between organisms.

Normally, food webs consist of a number of food chains meshed together. Each food chain is a descriptive diagram including a series of arrows, each pointing from one species to another ...