Decomposer interact with their ecosystem? be sure to name one example the taking from the ecosystem

Decomposers include certain types of bacteria, worms, slugs, snails and fungi. All of these organisms break down or eat dead or decomposing organisms to help carry out the process of decomposition.
They are the last step in the food chain, which recycles nutrients and breaks down wastes and organic matter in the ecosystem.

Can you be more specific