Question

in the following food chain 2000 J of energy was available to the plants. how much energy would be available to man in this chain

Answer 1

According to the 10%law,
10% of energy gets passed away by an organism to the next trophic level and the rest it utilizes by itself.
Thus if we apply the 10% law.,
10% of 2000J is 200..
furthermore as man exists on the trophic level
@ 4th place, Energy to an will be 2000
$(2000 \times 10 ) \div 10000 = 2j$
2J is ans