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) Oligochaeta.

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 for us than we realise!

2025年1月30日 · 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 species and 13 introduced species (from Europe) occur in the eastern United States, L. terrestris being the most common.

2024年5月27日 · What is an earthworm? It is an invertebrate animal that is a member of the Annelida phylum and the Opisthopora order. Its anatomy is the familiar, slimy segmented tube.

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

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 aerates the soil to allow air, water and nutrients to reach deep within the soil.

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 soil at depths of up to 2 metres and feed on decaying organic matter in the soil.

2024年4月12日 · Earthworms, commonly known as nightcrawlers, are complex organisms that play a vital role in the ecosystem. Their classification within the biological hierarchy is detailed and sequential, providing a comprehensive understanding …

2024年7月19日 · There are many types of worms, but those that we commonly encounter in our gardens are earthworms. These worms can be either beneficial or invasive, depending on whether they are native inhabitants of your area. To learn more about the importance of worms, and discover the different types of worms lurking underneath your soil, read on!

Lumbricus terrestris is a large, reddish worm species thought to be native to Western Europe, now widely distributed around the world (along with several other lumbricids).In some areas where it is an introduced species, some people consider it to be a significant pest for out-competing native worms. [1]Through much of Europe, it is the largest naturally occurring species of earthworm ...