The biotic part of ecosystem includes
Producers
Consumers
Decomposers
All of these
Generally the food chain has how many trophic levels
The transfer or energy from organisms to organisms in a natural community establishes
Suppose $2000 \mathrm{~J}$ of solar energy is incident on green vegetation. On the basis of $10 \;\%$ law of Lindeman. Identify $A, B$ and $C$
Give an account of energy flow in an ecosystem
In pond ecosystem, diatoms represent