The transfer of energy from one trophic level to another is governed by the 2nd law of thermodynamics. The average efficiency of energy transfer from herbivores to carnivores is:
Correct answer: C. 10%
- A. 25%
- B. 50%
- C. 10%
- D. 5%
Explanation
Only about 10% of the energy at one trophic level is typically transferred to the next, with the remainder lost mainly as heat and through metabolism. This average is commonly called the ten-percent law.
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