Summarize why the pyramid of energy can never be inverted like the pyramids of numbers and biomass can.

Base on one of the Law of Thermodynamics, the amount of available energy decreases whenever energy is changed in form (which includes a transfer from one trophic level to another). So, as we go from the first trophic level to the top trophic level, the amount of available energy becomes less and less. 
i made some explain and i found them for you :D

Hey there,

So what we would learn and understand today, the amount of the energy will decease if they even were to be changed from a level to another level.

Hope this can help you.

~Jurgen