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.
Anxiety, panic attacks, coughs, colds, respiratory, headaches, pain, ticks. A skin mole is something we are born with, although the mole(s) are not typically visible at birth since they darken as one ages. Moles are mostly due to genetics, whereas warts are the result of a virus. Both can become cancerous.