Which of the following statements is not correct?
Pyramid of biomass in sea is generally inverted.
Pyramid of biomass in sea is generally upright.
Pyramid of energy is always upright.
Pyramid of numbers in a grassland ecosystem is upright.
Pyramid of biomass in sea is inverted. For example, 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.
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