Which of the following is not taken into account in the construction of an ecological pyramid?

Choose the correct option for the given statements:
($T$ = True,$F$ = False)
$(A)$ Pyramid of energy is always upright.
$(B)$ Pyramid of number in a sea is generally inverted.
$(C)$ Pyramid of biomass in a sea is generally inverted.
$(D)$ In most ecosystems,the pyramid of number and energy are always inverted.

The pyramid that cannot be inverted in a stable ecosystem is the pyramid of

The pyramid of energy in a forest ecosystem is

Identify the incorrect statement from the following.

Which ecosystem has the maximum number of producers per unit area?