Q. 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?

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Solution:

Correct answer is (d) I, II and II