question_answer 17)

  An inverted pyramid of biomass can be found in which ecosystem? (a) Forest                            (b) Marine                          (c) Grass land                     (d) Tundra

Answer:

                  (b) In case of aquatic ecosystem like pond ecosystem, marine ecosystem, pyramid of biomass is inverted because the biomass of fishes exceeds than that of phytoplanktons which make the small standing crop of aquatic ecosystems. In aquatic ecosystem biomass of trophic level depends upon reproductive potential and longevity of its members.