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 …

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 breakdown dead and decaying organic matter into rich humus soil, thereby supporting plant growth. They also dig tiny channels and make holes that aerate soil and …

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 …

Learn all you wanted to know about common earthworms with pictures, videos, photos, facts, and news from National Geographic.

Earthworms, often unnoticed and undervalued, are essential architects of our ecosystem. These seemingly humble creatures play a pivotal role in enhancing soil fertility and maintaining the …

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 …

May 8, 2025 · Earthworms are one of the major decomposers of organic matter. Find out ten amazing things about these animals with smooth bodies and no antennae, ears, arms, legs, …