1. Pyramid of biomass : A Pyramid constructed in the view of biomass, which is the dry weight of all the matter in the organisms at a tropic level is called pyramid of biomass.
2. Pyramid of numbers : A Pyramid constructed based on the number of individuals occupying a given tropic level at a given period of time is called pyramid of numbers.
3. Pyramid of energy : A Pyramid constructed on the basis of the amount of energy fixed at each level is called pyramid of energy.