Why are worms considered decomposers?

They are considered decomposers because worms eat the nasty usually dead and decaying plant and animal matter and then they poop and return the nutrients from the food the just ate back into the ground which is essentially what every decomposer does. read more

Epigeic worms live in plant litter, making them ideal for processing compost. Endogeic worms live in the upper layer of soil and feed mainly on organic matter. Anecic worms, exemplified by the night crawler, burrows deeply into the soil, transporting vegetation into its tunnels. read more