Why are the pyramids referred to as upright or invnerted? Explain.

It is often said that the pyramid of energy is always upright. On the other hand, the pyramid of biomass can be both upright and inverted. Explain with the help of examples and sketches.

What is inverted pyramid? Explain.

Why the pyramid of energy is always upright? Explain.

Why is the pyramid of biomass in sea generally inverted ?

Why are cucurbits referred as monoecious?

Why is apple referred to as false fruit?

Ecological pyramids are usually upright. Meanwhile some pyramid of biomass is inverted. Explain the reason.

Which pyramid is always upright?

Construct a pyramid of biomass starting with phytoplankton. Label its three trophic levels. Is the pyramid upright or inverted? Justify your answer.