Question

Detritus food chain may be connected with the grazing food chain at some levels. justify

Answer 1

Grazing food chain

1. In this food chain, energy is derived from the Sun.

Detritus food chain

1. In this food chain, energy comes from organic matter (or detritus) generated in trophic levels of the grazing food chain.



2.

It begins with producers, present at the first trophic level. The plant biomass is then eaten by herbivores, which in turn are consumed by a variety of carnivores.



2.

It begins with detritus such as dead bodies of animals or fallen leaves, which are then eaten by decomposers or detritivores. These detritivores are in turn consumed by their predators.



3.

This food chain is usually large.



3.

It is usually smaller as compared to the grazing food chain.