
Earthworm - Wikipedia
Earthworm populations depend on both physical and chemical properties of the soil, such as temperature, moisture, pH, salts, aeration, and texture, as well as available food, and the …
Earthworms - Facts, Diet & Habitat Information - Animal Corner
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 …
Earthworm | Annelid, Burrowing & Soil Fertility | Britannica
Nov 5, 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 …
10 Key Facts About Earthworms - A-Z Animals
May 8, 2025 · An earthworm is a terrestrial annelid invertebrate that belongs to the Lumbricidae family. Earthworms derive their name from where they live (earth). They are adaptable to any …
Earthworm - Types, Anatomy, Diet, Habitat, Lifespan, & Life Cycle
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 - National Wildlife Federation
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 …
Earthworm - National Geographic Kids
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...
Earthworms - University of Pennsylvania
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 …
What is an earthworm? | Earthworm Society of Britain
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 …
Earthworms - Missouri Department of Conservation
Slimy, slippery, pinkish, or salmon-colored earthworms are familiar to just about everyone. They are segmented worms with numerous concentric ridges, one for each body segment.