what is food web.....?????
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a system of interlocking and interdependent food chains.
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A food chain represents only one part of the food or energy flow through an ecosystem and implies a simple, isolated relationships, which seldom occurs in the ecosystems.
An ecosystem may consist of several interrelated food chains. More typically, the same food resource is part of more than one chain, especially when that resource is at lower trophic levels.
A food web illustrates, all possible transfers of energy and nutrients among the organisms in an ecosystem, whereas a food chain traces only one pathway of the food.
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