- Home
- Standard 12
- Biology
12.Ecosystem
medium
Given below is the diagram of the ecological pyramids
This type represents

A
Pyramid of number in a grassland
B
Pyramid of biomass in a lake
C
Pyramid of biomass in a land
D
Pyramid of energy
Solution
The pyramid of energy is always upright because energy is always loss as heat at each step. It represents the total amount of energy utilised by different trophic level organisms in unit area over a period of time
Standard 12
Biology