Write food chains of various trophic levels.At which level energy will be maximum?

Generally the food chain has how many trophic levels

Write notes on : (i) Food chain (ii) Trophic level.

(a) Define trophic level. Draw the food chain with four trophic levels. (b) What will happen if we kill all orgainsms in one trophic level ?

Define a food chain. Design a terrestrial food chain of four trophic levels. If a pollutant enters at the producer level, the organisms of which trophic level will have the maximum concentration of the pollutant in their bodies ? What is this phenomenon called ?

At each trophic level the energy value :