Class Trematoda: Infect the internal organs of hosts. Parasitic Can be endoparasites (live in the host) or ectoparasites (attach to external surfaces of the host. Size: ~ 1 cm to 10 cm Covered in an unciliated cuticle. Usually require 2 hosts to complete it's life cycle.
The Difference Between A Wart And A Mole. Although warts and moles may appear to be the same they are not related conditions. They are thought to be because the often look alike. Warts are defined as small areas of a long. standing viral infection. Moles are described as areas of the skin that are heavily pigmented. with melanin,the substance that is responsible for general skin coloring. Warts will vary in their appearance. Warts are not dangerous but can most definitely become a nuisance.
A wart is a small, rough growth resembling a cauliflower or a solid blister. It typically occurs on humans' hands or feet but often in other locations. Warts are caused by a viral infection, specifically by one of the many types of human papillomavirus (HPV). There are as many as 10 varieties of warts, the most common considered to be mostly harmless.