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.
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.