List of natural parasites?

Question

what is the list of natural parasites???

Answer 1

Lessee:  1)  worms of many, many kinds such as pin worms, tape worms, roundworms, heartworms; 2)  flukes, such as liver and lung flukes; 4) many, many other types of protozoans such as amoebae, which cause amoebic dysentery; 3)  yeasts such as Candida albicans; 4) bacteria, viruses and fungi--all need hosts in which to live; 5)  Many people; 6) the US government, having no livelihood, no EARNED income, no health of its own and living off all of us whilst destroying the health of its hosts and the health of all the world.  7)  all plants in the family Orchidae, and all fungi;  8) Many insects.  9)  Some arthropods, such as ticks, fleas and mites.  Does that about cover it all?

Answer 2

All parasites are natural?