IMFINZIâ¢ (durvalumab) injection, for intravenous use Initial U.S. Approval: 2017 ----- INDICATIONS AND USAGE -----IMFINZI is a programmed death-ligand 1 (PD-L1) blocking antibody indicated for the treatment of patients with: Locally advanced or metastatic urothelial carcinoma who:
exists and is an alternate of. Merge this question into. Split and merge into it. Answer by Jpfromthecoast. Confidence votes 11. Spirogyra is a common genus of filamentous algae, therefore it is in the kingdom Protista.pirogyra are decomposers which breakdown dead organic matter. This  is green algae which used conjugation as the method of  reproduction.
Brightfield Digital Image Gallery Filamentous Algae (Spirogyra) What appears to some as mere green pond scum masks the intricate and beautiful world of filamentous algae, which is clearly visible to the microscopist and botanist.hen the algae occur in highly fertile waters in thick mats, wide fluctuations in the dissolved carbon dioxide and oxygen concentrations of the water column can result in rapid changes in the water's pH, causing stress or even death to obligate aquatic organisms such as fish.