The appear on the surface of the ground and are called worm casts.
An earthworm, while moving, chews up some soil and spits out the same amount of soil back into the ground. The soil which was eaten becomes fertile and more plants will grow on fertile soil. therefore, an earthworm helps a farmer by making soil fertile.
earthworm
the soil it lies in
by dissecting the earthworm and looking inside of the stomach...
Earthworms help by fertilizing the soil with their waste.
by eating the soil
improve the health of the soil
Wet soil
yes
Yes!
yes it is
it is soil