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Which of the following statements is not correct?

Option: 1

Pyramid of biomass in sea is generally inverted.


Option: 2

Pyramid of biomass in sea is generally upright.


Option: 3

Pyramid of energy is always upright.


Option: 4

Pyramid of numbers in a grassland ecosystem is upright.


Answers (1)

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The pyramid of biomass in the sea is inverted because the amount of biomass is least at the base of the pyramid and the amount of biomass is maximum at the apex of the pyramid.

Eg: Biomass of zooplanktons is higher than that of phytoplanktons as life span of former is longer and the latter multiply much faster though having shorter life span. A number of generations of phytoplanktons may thus be consumed by single generation of zooplanktons.

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manish painkra

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