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 …

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 …

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 …

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 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' 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 …

Earthworms are divided into three main groups by where they live within the soil: leaf litter dwellers, soil dwellers and deep burrowers. Leaf litter dwellers are reddish-brown, small and …

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 …

Earthworm is the common name for the larger terrestrial invertebrates of the Oligochaeta (which is either a class or subclass depending on the author) in the phylum Annelida (segmented worms).

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 …