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Biology, 22.07.2019 11:00 seiglersteven99
Describe the source of food for the first 3 levels in the food chain and explain why it takes less land, water, air to produce a gram of plant tissue to eat than it does to produce a gram of animal tissue to eat.
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Describe the source of food for the first 3 levels in the food chain and explain why it takes less l...
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