Question

Plz explain me the importance of spirogyra ??

Answer 1

Spirogyra is a genus of filamentous charophyte green algae of the order Zygnematales, named for the helical or spiral arrangement of the chloroplasts that is characteristic of the genus. It is commonly found in freshwater habitats, and there are more than 400 species of Spirogyra in the world.

and if this dont help ask what they do for the environment and that would more likely help  

Answer 2

here is ur ans mate  

General characteristics. Spirogyra is very common in relatively clean eutrophic water, developing slimy filamentous green masses. In spring Spirogyra grows under water, but when there is enough sunlight and warmth they produce large amounts of oxygen, adhering as bubbles between the tangled filaments.

hope this helps u.....!!!!!!!!!