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food chain
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nature : various biological food was linked to energy and nutrition built up the chain cable. For example, among biological predator-prey relationships constitute sexual predation of the food chain, its composition form of plant predators ��herbivores, which can feed on the former. The food chain on the environment has a very important impact. The environmental impact of some heavy metals and organic pollutants in the food chain through bio-accumulation and gradually enlarge it and against humanity, such as water Minamata disease, Itai - itai disease and other hazards disease, which is caused by the food chain.


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