Two hosts are required in -a) T. soliumb) E. histolytiocac) T. saginatad) Giardiae) Toxoplasma

In case of T. solium: Definitive host: Man and intermediate—Pig and man In Case of Entamoeba and Giardia infection: Only single host (man) required to complete life cycle. In case of T. saginata: Definitive host: Man and intermediate—Cattle In case of Toxoplasma: Definitive host: Cat and intermediate—Man and other mammals