Dark Specialist D's Note

The term worm is used to describe many different distantly-related animals which have a long cylindrical body and no legs. They are technically decomposers. Worms usually have a cylindrical, flattened, or leaf-like body shape and are often without any true limbs or appendages. Instead, they may have bristles or fins that help them move. A few have light-sensing organs. Worms may also be called helminths, particularly in medical terminology when referring to parasitic worms. Worm species differ in their abilities to move about on their own. Many species have bodies with no major muscles, and cannot move on their own. They must be moved by forces or other animals in their environment. They are a type of muscular hydrostat. In Helminthology, the study of worms, worms are classified in three phylums. The first of these includes the flatworms. They have a flat, ribbon- or leaf-shaped body with a pair of eyes at the front. In this phylum divided in three groups or classes. Turbellaria, Trema