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, …

Dec 13, 2025 · worm, any of various unrelated invertebrate animals that typically have soft, slender, elongated bodies. Worms usually lack appendages; polychaete annelids are a conspicuous exception.

There are approximately 2,700 different kinds of earthworms. Worms live where there is food, moisture, oxygen and a favorable temperature. If they don’t have these things, they go somewhere else. In one …

Feb 23, 2024 · Intestinal parasites include worms and single-celled organisms that live in your intestines. A parasite is an organism that lives off another organism (host). Parasites use the host’s body for …

Worms belong to the ‘annelid’ family along with leeches. There are over 3,000 different types of worm, some are so tiny you would not be able to see them under a microscope.

Enter the world of worms and read about various types, from earthworms to blood flukes, and find out how to avoid their parasitic cousins.

6 days ago · As part of a collaboration between WoRMS and Edaphobase, the World Database of Nematodes (Nemys) has been integrated as the official taxonomic backbone for Nematoda in …

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, …

May 27, 2024 · Worms are one of the largest groups of invasive species in the world. With over one million species, the bilateral symmetry of their elongated bodies makes them easy to identify. They …

Find out about worm infections in humans, including what different types of worms look like, when to get medical help, and how to treat and prevent infections.