If the secondary consumer level of trophic pyramid has 1,000 kcal of energy, how much energy is required by the producers to support the pyramid?

a. 100 kcal
b. 10,000 kcal
c. 100,000 kcal

The correct option is C.  100,000 kcal of energy would be required by the producers to support the pyramid

Explanation:

In biology, the trophic level can be most commonly described as the position of a particular organism or species in the food chain or the food pyramid. The trophic pyramid determines the energy transferred from one trophic level to another in a food chain. Scientists believe that energy passed from one level to another is very low i.e about 10%  of the energy is passed on, rest is wasted.

Hence, according to the 10% rule, if energy for secondary consumers is 1000 kcal then, energy for primary consumers would be 10,000 kcal and for primary producers the energy would be 100,000 kcal.