Which of the following pyramid is always upright and can never be inverted?
Pyramid of biomass
Pyramid of number
Pyramid of energy
Both $(a)$ and $(c)$
Pyramid of energy is
In a food chain, the total amount of living material is depicted by
Given below is an imaginary pyramid of numbers. What could be one of the possibilities about certain organisms at some of the different levels ?
Give scientific reasons : Energy pyramids are never inverted.
Write a short note on pyramid of numbers and pyramid of biomass.