* Living organisms depend on each other for their food requirement and form a food chain. * Among the various ecosystems, each one is having definite food chain. * The trophic inter-relationship between animals in nature cannot be explained as simple chains only. * The length and complexity of food chains vary greatly. * Each organism is generally eaten by two or more other kinds of organisms which in turn are eaten by several other organisms. * So, instead of a straight-line food chain, the relationship can be shown as a series of branching lines called a food web.

Explain: Food web

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Explain: Food web

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Living organisms depend on each other for their food requirement and form a food chain.

Among the various ecosystems, each one is having definite food chain.
The trophic inter-relationship between animals in nature cannot be explained as simple chains only.
The length and complexity of food chains vary greatly.
Each organism is generally eaten by two or more other kinds of organisms which in turn are eaten by several other organisms.
So, instead of a straight-line food chain, the relationship can be shown as a series of branching lines called a food web.

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