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Food Chains in the Biosphere

A new Interactive DVD. Video footage from around the world and updated computer graphics show how food chains work within the biosphere. Emphasis is on how the producers, composers, decomposers and the abiotic elements are connected in ecosystems and how ecosystems make up a biosphere. Includes Guided Questions and Mastery Quizzes.

#923-DVD Food Chains in the Biosphere, 1 Interactive DVD (25 min.), guide ... 2010/2011 Price ... $54.50 $ 54.50 Add Item to Cart

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923 Food Chains in the Biosphere

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