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 mole and a wart is that moles are not contagious, but warts are. A mole, or nevus, is a collection of skin pigment cells. When they are small, they look like small brown dots. When the collection is larger, and slightly deeper, it can cause a raised skin colored bump over it.
Here are some clear and common signs to determine if your skin problem is a pimple or a genital wart: 1  Amount: Genital warts often appear in clusters while pimples frequently are single. 2  Coloring: Pimples are reddened and inflamed while warts are usually flesh colored. 3  Feel: Pimples are smooth surfaced whereas warts are rough.