Give a brief explanation of why food webs are preferred over food chains for representing the flow of energy in an ecosystem.

Answer AND Explanation:

Very often, one type of organism or species in an ecosystem happens to be the same food source for other types of consumers. The different food chains that exist in an ecosystem therefore form a complex network called food web.  Food webs are more complex than food chains and therefore there can be more than one primary producer thus increasing the flow of energy an ecosystem.

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