Why is the pyramid of biomass in sea generally inverted ?

Define standing crop. Why is the pyramid of biomass in aquatic ecosystem inverted?

Draw a pyramid of biomass in a terrerstrial ecosystem?

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.

In which ecosystem is the pyramid of biomass inverted?

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

Pyramid of numbers is :