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Food Chains in the Biosphere

Students will learn how producers, consumers, decomposers and the abiotic elements are connected in ecosystems and how ecosystems make up a biosphere. Program features new computer graphics and live-action video illustrating important concepts in modern ecology.



#923 Food Chains in the Biosphere, 1 live-action video (19 min.), guide ... Liquidation Sale Price (1 copy) $8.90 each $ 8.90 Add Item to Cart

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923-DVD Food Chains in the Biosphere

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