return true"> soil and pass them on to herbivores, which are then eaten by carnivores, etc. Humus is incompletely decomposed organic material in the soil (a stage in the breakdown of materials into minerals, salts, etc.), and provides a rich source of nutrients for growing plants.
(herbivores; are eaten; by carnivores; T:then) (Humus; provides; a rich source of nutrients for growing plants)
herbivores Humus
are eaten provides
by carnivores T:then
a rich source of nutrients for growing plants