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A student asks why a food chain in nature seldom has… | StemPy Lab
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A student asks why a food chain in nature seldom has more than four or five trophic levels. Which answer is best?
Biology
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High School (11–12)
Ecology and Environment › Ecosystems and Food Chains
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A student asks why a food chain in nature seldom has more than four or five trophic levels. Which answer is best?
Only about 10 per cent of the energy passes to each next level, so very little is left to feed another level
The decomposers eat the animals of the top level
The producers cannot feed more than three levels
Each level makes its own energy
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