Question

differentiate between food web and food chain

Answer 1

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Answer 2

The food chain and food web are different from each other because of complex network of different animals’ feeding relations are aggregated and the food chain only follows a direct, linear pathway of one animal at a time.

Food chain is a model that shows flow of energy and nutrients from one organism to another organism in an ecosystem. The length of a food chain depends upon the number of organisms.  It starts from  producer species such as tress or grass and ending at apex predator species

Food web or food cycle is the connection between food chains and what species eats what in an ecological system. Food web also known as consumer-resource system. Most communities in food web include various populations of producer organisms which are eaten by any number of consumer populations. For example, the green crab is a consumer and decomposer.