What is Obligatory Parasite? Posted in Parasitology These are permanent parasites since they have lost the power for an independent life and cannot survive in absence of the host. Share this:EmailFacebookGoogleRedditLike this:Like Loading... Related posts: What is Facultative parasite? What is Host-Parasite relationship? What is Endoparasite? Malarial Parasite Plasmodium What is Ectoparasite?