The relationship in an ecosystem can be depicted in

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.

Which of the following ecological pyramids is most representative of functional characteristics of an ecosystem?

Give scientific reasons: Energy pyramids are never inverted.

If a producer is a large tree that supports a number of herbivorous animals which are further attacked by ectoparasites,the pyramid of number shall be:

In an ecological pyramid,the base always represents the $...A...$ and the apex represents $...B...$. Here,$A$ and $B$ represent: