microbiology test your protist knowledge Match the items. The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives. a. #1 protozoanglobal killer b. cause algal blooms and secrete a powerful neurotoxin c. algae with a pretty silica shell d. causes a FATAL disease of the CNS, central nervous system e. can be invasive and form abscesses in organs f. hardy STI that does NOT produce a cyst 1. Trichomonas vaginalis abcdef 2. Entamoeba histolytica abcdef 3. Trypanosoma brucei abcdef 4. Plasmodium species abcdef 5. diatoms abcdef 6. dinoflagellates.