A: Ecological pyramids are also called Eltonian pyramids.
R: An ecological pyramid is always upright.
Ecological pyramids were developed by Charles Elton and are, therefore, also called Eltonian pyramids. An ecological pyramid is the representation of the energy flow in an ecosystem. It can be upright, inverted or spindle-shaped depending on the type of pyramid. These are of three major types- pyramid of energy, pyramid of biomass and pyramid of number.