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Worms

By: Ryan Paul Fyfe, Fri Dec 9th, 2005 10:11:08 PM

A worm is an "elongated" invertebrate soft-bodied animal. The most widely known of all worms is the earthworm. The earthworm is a member of phylum Annelida. A side from that famous worm there are hundreds of thousands of different species of worms that live in a huge array of differet habitats.

Major worm categories include:

1. Acanthocephala - spiny headed worms
2. Annelida - segmented worms
3. Gnathostomulida - jaw worms
4. Chaetognatha - arrow worms
5. Nemertea - ribbonworms
6. Nematoda - roundworms
7. Nematomorpha - horsehair worms
8. Platyhelminthes - flatworms
9. Onychophora - velvet worms
10. Sipuncula - peanut worms

Often times animals such as a dogs and cats, are sad to have worms. This means that the dog or cat is infested with parasitic worms. Parasitic worms are typically roundworms and tapeworms. Each worm species differes in it's abilities to move around on their own. Many worm species are bodied with no major muscles, thus preventing them from moving around on their own. These worms must be moved by external forces or other animals in their environment. On the opposite of these species there are several other species that have bodies with major muscles. These muscles allow them to move about on their own. These worms are a type of muscular hydrostat.

About the author: Feel free to reprint this article as long as you keep the article, this caption and author biography in tact with all hyperlinks.

Ryan Fyfe is the owner and operator of Worms Symptoms - http://www.worms-symptoms.com, which is the best site on the internet for all worms related information.

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