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Food Chain

Food Web

In a food chain, there is a straight line from producers to first consumers to second consumers to third consumers

In a food web, each organism eats and is eaten by 2 or more organisms. So, everything is connected by a web. 

An organism at higher level of food chain eats a specific organism at the lower level

An organism at higher level of food web can eat more than one organism from the lower level

Food chain is a simplified version of food web

Food web is what happens in reality.
A food web contains many food chains.

Single food chains is unstable in an ecosystem

Food webs are stable in an ecosystem

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CA Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Economics, Accounting and English at Teachoo