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) Oligochaeta.
Earthworm | Annelid, Burrowing & Soil Fertility | Britannica
2024年12月20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.
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 soil at depths of up to 2 metres and feed on decaying organic matter in the soil.
Earthworm - Simple English Wikipedia, the free encyclopedia
An earthworm is an invertebrate animal with a long, stretchy body and no legs. It is a type of annelid. There are 5,500 known species of earthworms in 21 families. They are found everywhere, except in polar or dry climates. Their sizes vary: they can be between two centimeters and about three meters in length.
Earthworm - National Geographic Kids
See how animal species in trouble have come back from the brink of extinction. Although native to Europe, earthworms are found throughout North America and western Asia. They do not live in...
Earthworm - A-Z Animals
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. Are earthworms harmful to humans? They aren’t harmful to humans, but they eat so much that they can wreak havoc on an ecosystem if there are too many of them. Do earthworms ...
All about earthworms - Welcome Wildlife
2015年1月18日 · Earthworms are animals in the phylum Annelida, along with leeches. The name comes from the Latin anellus for “little ring,” a reference to the many segments of their bodies. Today about 2,700 species are known to exist, and they’re found on …
Earthworm | National Geographic
Earthworms are a source of food for numerous animals, like birds, rats, and toads, and are frequently used in residential composting and as bait in commercial and recreational fishing. Their...
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 aerates the soil to allow air, water and nutrients to reach deep within the soil.
Earthworm - New World Encyclopedia
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). In particular, the term earthworm commonly is applied to those worms belonging to the family Lumbricidae and the genus Lumbricus. Other common names for ...