The elimination of the smallest link in the food chain can upset the delicate balance of nature's food supplies. This series looks at the intricate food chains found in different habitats all over the world and how we can protect them. Each titles defines

River Food Chains 2011, Heinemann Library, Oxford

ISBN-13: 9780431014371

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River Food Chains 2010, Heinemann Educational Books, Chicago, IL

ISBN-13: 9781432938611

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River Food Chains 2010, Heinemann Educational Books, Chicago, IL

ISBN-13: 9781432938680

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River Food Chains 2010, Heinemann Library, Oxford

ISBN-13: 9780431013954

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