Microbes are the dominant form of life on Earth.
Some Acetic Acid Bacteria can produce extracellular cellulose fibers. A logical explanation for this is that these fibers a. protect the cells from the lactic acid in vinegar. Redi - spontaneous generation 13. Predatory bacteria in the Proteobacterial group include a. Caulbacter and Bdellovibrio b. Bdellovibrio and Myxobacteria c. Propionibacterium and Bifidobacterium d. Agrobacterium and Acetobacter 14. Hesse - agar 17.