An earthworm is a soil -dwelling terrestrial invertebrate that belongs to the phylum Annelida. The term is the common name for the largest members of the class (or subclass, depending on the …

Earthworms improve soil health, structure, and fertility. Learn about their biology, benefits, and how to boost earthworm activity in your garden.

Dec 20, 2025 · Earthworm, any one of more than 1,800 species of terrestrial worms of the class Oligochaeta (phylum Annelida)—in particular, members of the genus Lumbricus. Seventeen …

Earthworms are vital to soil health and to plants growing in it because they transport nutrients and minerals from below to the surface via their waste. An earthworm can eat up to a third of...

Oct 31, 2025 · Earthworms are a group of terrestrial annelids that constitute the suborder Lumbricina. They are characterized by an elongated, segmented body equipped with bristle …

Earthworms help to fertilise the soil by bringing nutrients closer to the surface. Earthworms are widespread in Britain and Europe. They have been introduced to most parts of the world. They …

Earthworms are harmless, often beneficial residents of the soil. Earthworms breakdown dead and decaying organic matter into rich humus soil, thereby supporting plant growth. They also dig …

Sep 1, 2025 · Earthworms, recognized as keystone species and ecosystem engineers, constitute the largest portion of animal biomass in soils and serve as vital indicators within the soil quality …

Earthworms are more than just fish bait. They are the main contributors to enriching and improving soil for plants, animals and even humans. Earthworms create tunnels in the soil by …

Earthworms are distinguished from other groups of Oligochaeta by their ecology. Earthworms are predominantly terrestrial, though they can be found in some freshwater environments such …