NEET2019BotanyEcosystemActual
Which of the following ecological pyramids is generally inverted?
Options
- APyramid of numbers in grassland
- BPyramid of energy
- CPyramid of biomass in a forest
- DPyramid of biomass in a sea
Correct answer
D. Pyramid of biomass in a sea
Step-by-step solution
The amount of living organic matter is called biomass . And the pyramid of biomass is graphical representation of biomass per unit area at different tropic levels with producer at the base and carnivorous at the top . The pyramid of biomass in ocean inverted because: (i) Food chain in the ocean - Phytoplankton → zooplankton → predatory fish. (ii) the biomass of zooplankton is greater than phytoplankton (the producer) because of their small size and low weight. The predatory fish is much larger than zooplankton. (ii