What does cyanobacteria do for the environment?

Related questions

1. What causes green algae?
2. What is the purpose of cyanobacteria?
3. What diseases are caused by cyanobacteria?
4. What are the benefits of cyanobacteria?
5. How did cyanobacteria affect the physical and chemical conditions on Earth?
6. Why cyanobacteria now is excluded from algae?
7. How are algae different from bacteria?
8. Are cyanobacteria dangerous?
9. Why is cyanobacteria dangerous?
10. Does chlorine kill Cyanotoxins?

Tags

1. #sunlight
2. #changing
3. #deriving
4. #composition
5. #produce
6. #ability
7. #single
8. #algae
9. #played
10. #ecosystem
11. #pivotal
12. #green
13. #cyanobacteria
14. #oxygen
15. #organisms
16. #photosynthesize
17. #known
18. #celled
19. #energy
20. #their
21. #roles
22. #atmosphere
23. #planet