Pyramid of number in a cropland ecosystem is
Upright
Inverted
Rhomboidal
Spindle shaped
Inverted pyramid of biomass can be traced in one of the following ecosystems
The respiratory loss of producers, herbivores and carnivores are respectively
$A $ : Ecological pyramids cannot explain all the vital functions of any ecosystem.
$R$ : Pyramids actually does not explain the role of organisms working at more than one trophic levels.
Consider the following statements about ecological pyramids
$I.$ Charles Elton developed the concept of ecological pyramid
$II.$ After the 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?
Write a short note on pyramid of numbers and pyramid of biomass.