Question

One of Eltonian pyramids have to be upright always. That is, pyramid of

• A. Biomass
• B. Energy
• C. Number
• D. All of the above

Answer 1

The correct option is B Energy

Pyramid of energy is always upright, and can never be inverted, because when energy flows from a particular trophic level to the next, some energy is always lost as heat at each step. The base of the pyramid is broad and it narrows down at the apex.

So, the correct answer is option B.