Biomass of a standing crop of phytoplankton is 4 kg/m2 which supports a large standing crop of zooplankton having a biomass 11 kg/m2 . This is consumed by small fishes having biomass 25 kg/m2 which are then consumed by large fishes with the biomass 37 kg/m2
Draw an ecological pyramid indicating the biomass at each stage and also name the trophic levels. Mention whether it is an upright or inverted pyramid.
OR
Use the information provided in the table given below to answer the following questions:
a) Calculate the gross primary productivity. b) Analyze the trend in the Net Production from Producers to Top Carnivore. Give a reason for your observation.