Question

Briefly describe detritus food chain.

Answer 1

Detritus food chain starts from dead organic matter and goes to detritus feeding organisms and on their predators.

Answer 2

Answer:

Detritus food chain is made up of de-composers like Heterotrophic organism mainly fungi and bacteria. They get energy and nutrients by decomposing dead organic matter or detritus.

Explanation :

Primary source of energy is always dead organic matter like dry leaves, dead animal body, etc..  

primary consumers are also known as 'detritivores '

secondary consumers eat detritivores. secondary consumers are insect larvae, nematodes, etc..

Generally grazing food chain are longer than detritus food chain.