worm
The worm is a kind of long strip, soft invertebrates. Worms are not strictly biologically classified, some of which belong to completely different species, including insect larvae, centipedes, earthworms and so on. There are more than one million worms in the world, and they exist in every corner of nature. Giant worms by the body's muscle contraction and for the movement, it is known as the worm. In the history of animal taxonomy, worms have been considered independent, with a particular class of animals. However, after the continuous development of taxonomy research, it has been found that worms, in fact, are related to the body, including Phylum Platyhelminthes, Phylum Nemathelminthes and Phylum Acanthocephala The So in taxonomy, the name of the worm is meaningless; but it is customary to follow this term. Diseases caused by worms are known as worms, and the worm species of importance are almost all of the first two. ...