The relationship in an ecosystem can be depicted in

Identify the incorrect statement from the following.

The relation between producers and consumers in an ecosystem can be graphically represented in the form of a pyramid called

Consider the following statements about ecological pyramids:
$I.$ Charles Elton developed the concept of ecological pyramid.
$II.$ After his name,these pyramids are also called as Eltonian pyramids.
$III.$ It is a graphical representation or pyramid-shaped diagram which depicts the number of organisms,biomass,and energy at each trophic level.
Which of the statements given above are correct?

The number of primary producers within a specified area would be maximum in

The pyramid of energy is always upright for any ecosystem. This situation indicates the fact that . . . . . .