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Food Chain/Web - History Of Food Web Research, Structure Of Food Webs, Contaminants In Food Webs, Bioaccumulation

Science EncyclopediaScience & Philosophy: Ferroelectric materials to Form and matter

A food chain is a series of organisms dependent on each other for food; a food web is an interconnected set of food chains in the same ecosystem. Organisms that eat similar foods are assigned to a particular trophic level, or feeding level, within a food web. Food web is a more accurate term because food chains only exist on paper. In nature feeding habits are complex because many organisms feed on different trophic levels. For example humans feed on the bottom consumer level when they eat plants but they also eat organisms from all of the higher trophic levels of the food web.

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