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.
Difference Between Skin Tags and Genital Warts. Skin tags and genital warts are both common, but they each have distinctive characteristics that set them apart from each other. The many differences between skin tags and genital warts can be somewhat confusing, making these two skin conditions easily mistaken for the other. It is very important to understand each thoroughly to be better aware of the issues you are experiencing.