question_answer

The transfer of energy through a terrestrial ecosystem is often depicted by energy pyramids. Which one of the following statement is true?

A) Ecological efficiency is highest for top consumers

B) About 10% of the energy from one trophic level is incorporated into the biomass of the next level

C) The energy lost as the heat in cellular respiration is 10% of the available energy at each trophic level

D) Only 25% of energy in one trophic level is passed on to the next level