General Account One-cell animal- monocellular or unicellular organisms with full vital fur nctions Species total named species: 65,000 parasitic: around 10,000 Entamoeba histolytica Entamoeba histolytica oIO immature cystGeneral Account • One-cell animal – monocellular or unicellular organisms with full vital functions • Species – total named species:65,000; parasitic: around 10,000