Question

If the energy available at the producer level in a food chain is 150 J, how much energy will be transferred to the tertiary consumer?

(a) 15 J (b) 10 J (c) 1.50 J (d) 0.15 J

Answer 1

(d) 0.15 J

According to the 10 per cent law, only 10 per cent of the energy available in one trophic level is transferred to the next trophic level.