ocr: BACTERIA AND BLUE-GREEN ALGAE Bacteria Bacteria are grouped according to their shape: bacilli are rod: shaped, spirilla look like coiled rods, and cocci are round. This bacillus is found on grass. B ACTERIA grouped and together blue-green because algae they are dead important plants and recyclers: animals they sO break that the down both have a very simple cell structure. nutrients can be reused. Some bacteria Blue-green algae live in water and cause diseases, such as cholera and mud. They make their own food by tetanus in humans, and potato and photosynthesis. Bacteria are found in root veget ...