FUNGUS, or bacteria, is a two-name that consists of the genus name as the FIRST, and species name as the second.Example, the scientific name of Tiger is Panthera tigris.Thus, the correct option is option 2, i.e AMOEBA proteus.The first name should be the name of the Genus.The next name should be the name of the species.The whole name should be italicized.Only the genus name should be capitalized, while the name of species should START with a small letter.