A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host. There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites. Protozoa are microscopic, one-celled organisms that can be free-living or parasitic in nature.
Standard Controller (First Gen) Just like the with the Sega Genesis before it (and the Xbox that followed later), the Sega Saturn went through two major controller revisions. The original Saturn controller wasnât necessarily bad, but it was a bit chunky.
Comment1 Share. The Sega CD is an add-on device for the Sega Genesis released in Europe, Australia, New Zealand, North America, and Japan. The device is also known as the Sega Mega-CD outside of North America. The system allowed the user to play games, audio CDs, and CD+G cds.