What is the role of decomposers in the ecosystem?

Explanation

Various role played by decomposers in the ecosystem are:
`rarr` They clean the environment.
`rarr` They decompose biodegradable substances into useful substances
`rarr` They release nutrients into soil by decomposing dead and decaying matter, thus making the soil fertile.
`rarr` They maintain the nutrient pool by returming back the nutrients in the pool.