Worms : Elongated

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's hundreds of thousands of different species of worms that live in a massive 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

Throughout history worms have also beeen called helminths. This was true in zoological or medical terminology. Some insects such as larvae are often called worms. This Larvae include: the railway worm, woodworm, glowworm, & the bloodworms.

Sometimes animals such as a canines & felines, are mournful to have worms. This means that the dog or cat is infested with parasitic worms. Parasitic worms are usually roundworms & tapeworms. Each worm species differes in it is abilities to move around on their own. Plenty of worm species are bodied with no major muscles, thus stopping them from moving around on their own. These worms must be moved by outside forces or other animals in their surroundings. On the opposite of these species there's several other species that have bodies with major muscles. These muscles let them move about on their own. These worms are a kind of muscular hydrostat.