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 ability of …

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 native …

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 live in …

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 tiny …

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 burrowing, which …

Earthworms' bodies are made up of ring-like segments called annuli. These segments are covered in setae, or small bristles, which the worm uses to move and burrow. Although native to Europe,...

May 27, 2024 · There are about 180 species of earthworm in the United States and Canada, and about 60 of them are invasive. You can check out more incredible facts about earthworms at this link.