Ascaris

Nematoda, or roundworms, are a phylum of cylindrical, unsegmented worms with a complete digestive system. They are found in diverse environments and include free-living species as well as parasitic species that infect plants, animals, and humans. General Characteristics: 1) Habitat: Mostly parasitic (in animals/plants), few free living.  2) Shape: Body is perfectly cylindrical in shape adapted for living in … Read more