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.
1 GameCube controllers generally only work when playing GameCube games on the Wii console.  Some Virtual Console and WiiWare games downloaded through Wii Shop are able to use a GCN controller; information on this is provided in the product description of the Wii Shop Catalog software. Additionally, some Wii games may make use of the GCN Controller.