Which of these organisms exists as a filament? By: Sunday|Published on: Apr 23|Categories: Biology NECO| 0 comments A. Diatom B. Euglena C. Paramecium D. Spirogyra E. Volvox Correct Answer: Option D – Spirogyra Users Also Read These:Oxidation of the filament in a light bulb is…The substances recycled in the soil by the…Which of the following organism exists as a filament?When a Spirogyra filament is placed in a…The diagram above is an illustration of organisms in…SEE ALSO Lianas is to tropical rain forest as an extensive root system is to _______ habitat?