Across
- 3. External membranes do this as a step to allow photosynthesis?
- 5. Cyanobacteria are what compared to other bacteria?
- 7. Cyanobacteria perform this to produce food?
- 8. Small in size, and unicellular?
- 9. Growth of cyanobacteria allowed this to happen to earth's atmosphere?
- 10. Cyanobacteria are easily recognisable from this?
- 12. Cyanobacteria are the origin of what?
- 13. Oldest fossils showing cyanobacteria are 3.5 what years old?
- 14. Size bacteria are generally described as?
Down
- 1. Longest a spherical colony of cyanobacteria may become in diameter?
- 2. Correct way to prefer to a group of cyanobacteria (Hint: Bacteria)?
- 4. A type of bacteria often referred to as 'Blue-Green Algae?'
- 6. Photosynthesis is performed within these?
- 11. Cyanobacteria lack this and are still able to move?
