Earthworms have a significant or vital role in altering the physical composition of soil which contributes to its physical and chemical qualities
Worms break down and recycle this organic waste in the soil as they feed ensuring that it is rich in essential nutrients
Tunnels made by earthworms allow the soil's pores, tiny openings, to expand improving the fertility of the soil
Earthworms are a food source for endangered and endemic land snails and birds as well
Earthworms disperse insect-killing bacteria and fungi in the soil, helping the environment to control pests and insects naturally
Pastoral productivity rises by 25–30% once lumbricid earthworms are developed