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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