What phylum is the most successful and widely distributed in terms of parasites?

Name: What phylum is the most successful and widely distributed in terms of parasites?
Brand: Quizplus
Rating: 4.7 (45 reviews)

Question

Quizplus · Accepted Answer

All major phyla have representations of parasites in the ocean. Nearly all parasites have a species-specific relationship. This is an exclusive relationship to one parasite and one host. Information can be found in the section Organisms in Communities Can Live in Symbiosis.

What Phylum Is the Most Successful and Widely Distributed in Terms