worms. they digest the humus and excrete it out making it more fertile
Septums help separate an earthworm's internal cavities into sections of different organs.
The intestines help carry the earthworm's waste to the anus, where it is expelled from the worm.
Yes,
Yes!
Earthworms help by fertilizing the soil with their waste.
keeps them moist
with the help of pharynx
help?
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"Humus is in soil," "the humus levels were high," Did I answer your Question?
organic matter and humus are related because they are darker in a way. and many leaves that fall from forest trees every autumn help form humus. the decaying leaves and plentiful rainfall form thick fertile soil.