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Energy Food Trophic Level Unviable The  Expended Hunting

A trophic level becomes unviable when the energy expended hunting food is greater than the energy obtained from the food.

A trophic level becomes unviable when the energy expended to hunt for food exceeds the energy obtained from eating it.

Front A trophic level becomes unviable when the 
Back energy expended hunting food > energy available from food eaten 

Tags: 4_2_energy_flow

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