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STD 12 - 12. ecosystem — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 12. ecosystem1 Mark
MCQ
The relation between producers and consumers in an ecosystem can be graphically represented in the form of a pyramid called
  • ✓
    Ecological pyramid
  • B
    Trophic level
  • C
    Pi chart
  • D
    Pyramid of biomass
✓

Answer

Correct option: A.
Ecological pyramid
a
There is some sort of relationship between the numbers, biomass and energy contents of the producers and consumers of different orders in any ecosystem. These relationships, when represented in diagrammatic ways, are called ecological pyramids.Ecological pyramids are of the types

$(i)$ Pyramid of number

$(ii)$ Pyramid of biomass

$(iii)$ Pyramid of energy

The concept of pyramid was proposed by Charles Elton $(1927)$ so, they are also called as Eltonian pyramids

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