Compléter Parasites IVersion en ligne Quick knowledge check parasites I par Annie Taylor 1 support nothing protection nutrients A parasite offers to their hos t 2 morphology hosts food DNA Parasitology is the study of parasites , their and the relationship between them . 3 immature dangerous matur growing Parasites found in definitive host are 4 and nematodes cestodes ticks arthropod trematodes hosts helminths worms flies protozoa The three types of parasites are , and 5 four three two five There are main groups of protozoan parasites that are useful for clinicians . 6 age shape food name host Amoeba are protozoa with no truly defined .