why food chains in the environment are operative in the form of food web ?

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Please find below the solution to the asked query 

A food chain is the linear form of networks that form a link starting from producers to the tertiary consumers. In between, this linear linkage chain, some more links are there such as predators, detritivores which are important for the studying better the food relationships between organisms. This leads to the formation of food webs. Hence, food chains operate in the form of food webs.

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