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  1. Earthworm - Wikipedia

    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 author) …

  2. Earthworm | Annelid, Burrowing & Soil Fertility | Britannica

    Jan 30, 2026 · 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 …

  3. 14 Earthworm Facts That Will Blow Your Mind - Fact Animal

    The earthworm is one of the most important creatures on earth and one that engineers the very foundations of the ecology we live in. They’re slimy, wriggly, subterranean critters, but they do more …

  4. 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-like hair for …

  5. 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 tiny …

  6. Earthworms | Colorado State University Extension

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

  7. Earthworm: a keystone species of soil quality, health and functions

    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-health …

  8. 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 live in …

  9. 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 burrowing, which …

  10. 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...