Q.
The pyramid given below can be observed in a:

NTA AbhyasNTA Abhyas 2020Ecosystem
Solution:
Types of Ecological Pyramid General Appearance Exceptions $1.$ Pyramid of Number Usually upright $1. \, $ Single tree ecosystem (Single Tree $ \rightarrow $ Many insects, less number of smaller birds $ \rightarrow $ Very few large birds) $2.$ Pyramid of Biomass Usually upright $1.$ Pyramid of biomass in sea (Biomass of fishes is more than phytoplanktons) $3.$ Pyramid of Energy Always upright No exception
| Types of Ecological Pyramid | General Appearance | Exceptions |
| $1.$ Pyramid of Number | Usually upright | $1. \, $ Single tree ecosystem (Single Tree $ \rightarrow $ Many insects, less number of smaller birds $ \rightarrow $ Very few large birds) |
| $2.$ Pyramid of Biomass | Usually upright | $1.$ Pyramid of biomass in sea (Biomass of fishes is more than phytoplanktons) |
| $3.$ Pyramid of Energy | Always upright | No exception |