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The Story of Ecosystems

Outlines the concepts that modern ecologists use to understand how ecosystems work today. Helps students understand ecosystem cycles, predator-prey relationships, energy flow, species extinction, global warming, acid rain and more. Recently updated for use in 21st century.

Closed Captioned. 1999. Upper elementary, Secondary.

#406 The Story of Ecosystems, 1 live-action video (16 min.), 1 Learning Power Book ... Liquidation Sale Price (7 copies) $8.90 each $ 8.90 Add Item to Cart

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