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 Warts. Skin tags and warts may appear the same to the untrained eye. Even doctors with minimal experience may misdiagnose these two conditions. It is very common to receive plenty of advice from friends and family about the diseases we may have. Combine this with a misdiagnosis, you get total panic.