A: Decomposerws are excluded form the food chains.
R: They act on all trophic level of a food chains.

Assertion : Decomposers cannot be excluded from the food chains . Reason : They act all all trophic levels of a food chain .

How many trophic levels occur in food chain ?

Generally the food chain has how many trophic levels

What is the maximum number of trophic levels in a food chain?

What is food chain ? Describe all trophic levels of a food chain with the help of examples.

The third trophic level of a grassland food chain can have

Which are different trophic levels in food chain ?

How many trophic levels are there in a food chain ?