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Food Chains
Alvin Silverstein, Virginia B. Silverstein, Laura Silverstein Nunn
Library Binding (Twenty-First Century Books, Oct. 1, 2007)Explains various components of a food chain and discusses energy flows, food webs, food pyramids, recycling in nature, and the effect of humans on food chains.
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Food Chains
Alvin Silverstein, Virginia Silverstein, Laura Silverstein Nunn
Library Binding (21st Century, April 1, 1998)Explains various components of a food chain and discusses the concepts of food webs, umbrella species, biogeochemical cycles, and more.
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Food Chains
Alvin Silverstein, Virginia Silverstein, Laura Silverstein Nunn
Library Binding (Twenty-First Century Books (CT), Oct. 1, 2007)None
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Food Chains
Alvin Silverstein;Virginia Silverstein;Laura Silverstein Nunn
School & Library Binding (Twenty-First Century Books, March 15, 1719)None