MCQ
The upright pyramid of number is absent in
  • A
    pond
  • forest
  • C
    lake
  • D
    grassland.

Answer

Correct option: B.
forest
b
(b) :In forests, a single tree can support a large number of birds thus base showing producers in a pyramid of number will be narrower than the next slab showing primary consumers. Hence an upright pyramid of number is not formed in a forest ecosystem.

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