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.
Warts are generally caused by a human virus known as papilloma while moles are generally related with age and caused by hormones and environmental factors. There are cases when kids are born with moles but in general moles on the face increase with increase in age.
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.