Worm - Wikipedia
网页Worm - Wikipedia. Lumbricus terrestris, an earthworm. White tentacles of Loimia medusa, a spaghetti worm. Worms are many different distantly related bilateral animals that typically have a long cylindrical tube-like body, no limbs, and usually no eyes.
Worm Definition & Meaning - Merriam-Webster
网页1. a. : earthworm. broadly : an annelid worm. b. : any of numerous relatively small elongated usually naked and soft-bodied animals (such as a grub, pinworm, tapeworm, …
Worm | Segmented, Annelid, Invertebrate | Britannica
网页2024年9月4日 · Worm, any of various unrelated invertebrate animals that typically have soft, slender, elongated bodies. Worms usually lack appendages; polychaete annelids are a conspicuous exception. Worms are members of several invertebrate phyla, including Platyhelminthes (flatworms), Annelida (segmented.
Worms - Facts, Diet & Habitat Information - Animal Corner
网页A Worm is an elongated soft-bodied invertebrate animal. The best-known is the earthworm, a member of phylum Annelida, however, there are hundreds of thousands of different species that live in a wide variety of habitats other than soil.
Worm - A-Z Animals
网页2024年5月27日 · What is a worm? A worm includes any invertebrate animal that has a long body with no appendages. They cover over 1 million different types of invertebrates, and they are considered invasive species. They are divided into three groups, which include the flatworm, the roundworm, and the segmented worm.
15 Types of Worms: Species, Facts and Photos - TRVST
网页2024年2月16日 · Various types of worms inhabit different ecosystems on the planet. These invertebrate animals, often overlooked, exhibit diverse characteristics and behaviors. They live in deep soil, freshwater, or harsh deserts, and their diet patterns vary. Read on to …
Earthworm - National Geographic Kids
网页Earthworm. Although native to Europe, earthworms are found throughout North America and western Asia. Common Name: Common Earthworm. Scientific Name: Lumbricus terrestris. Type: Invertebrates....
worm - Students | Britannica Kids | Homework Help
网页Adult animals that have soft, elongated, often tubelike bodies and that lack backbones are commonly called worms. Worms are so different from one another that zoologists do not classify them together in a single group; they place them in about a dozen different and often unrelated taxonomic groups called phyla.
Worms - Basic Biology
网页2018年11月18日 · Worms are invertebrate animals from a variety of distantly related groups. Worms include animals from phyla such as Annelida (earthworms, polychaetes), Nematoda (roundworms), Nemertea (ribbonworms) and Platyhelminthes (flatworms).
Worms - Encyclopedia of Life
网页What is a worm? Of the thirty-odd phyla in the animal kingdom, at least a third are generally referred to as worms. If you include the more exotic, lesser-known phyla described as “worm-like,” it’s well over half. So, evolutionarily speaking, it might be easier to narrow down what’s not a worm.