Worms eat dead plant material left on top of the soil and redistribute the organic matter and nutrients throughout the topsoil layer.
(Worms; eat; dead plant material left on top of the soil) (dead plant material; left; L:on top of the soil) (Worms; redistribute; the organic matter and nutrients; L:throughout the topsoil layer)
Worms dead plant material Worms
eat left redistribute
dead plant material left on top of the soil
L:on top of the soil
the organic matter and nutrients L:throughout the topsoil layer