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.
Holy moley, I've got moles. 1.) What is the difference between freckles and moles? Both freckles and moles are areas of increased melanin in the skin. A difference between a mole and freckle is the location on your skin. A freckle is located on the top layer of skin. A mole is a small culster of melanocytes (nevus cells) in the second layer of skin. Another difference between the two is the time in which they appear.