Which of the following statements is not correct ? (1) Pyramid of biomass in sea is generally inverted. (2) Pyramid of biomass in sea is generally upright. (3) Pyramid of energy is always upright. (4) Pyramid of numbers in a grassland ecosystem is upright.
Option 2) The pyramid of biomass in sea is generally inverted because the biomass of fishes far exceeds that of phytoplankton.