$10 \%$ law of energy transfer was given by

Assertion : $A$ network of food chains existing together in an ecosystem is known as food web.
Reason : An animal like kite cannot be a part of a food web.

The transfer of energy from one trophic level to another occurs according to the second law of thermodynamics. What is the average efficiency of energy transfer from herbivores to carnivores (in $\%$)?

Energy enters into the ecosystem through

The main source of energy in an ecosystem is .........

If $30 \ J$ energy is trapped at the producer level,how much energy will be available to the peacock as food in the following food chain (in $J$)?
Plant $\rightarrow$ Mice $\rightarrow$ Snake $\rightarrow$ Peacock