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