present, count, resistant, growth, counts, cells, increase, pathogenic, results, access, culture, cultures, increases, feed, colonies, spores, beds, coli, population, strains, entrance, test, cell, spread, species, levels, interactions, act, play, concentration, fig, figure, flora, move, populations, infection, removal, cause, filter, pass, divide, bind, lodge, host, travel, aid, living, help, gain, colony, decrease, contamination, adherent, attack, infections, suspension, bed, resident, spp, result, numbers, escape, strain, interaction, organisms, pylori, germs, replicate, aureus, fungi, resistance, entry, mixture, need, etc., viruses, toxins, stick, eaters, dna, proceeds, content, reduction, blue

negative, anaerobic, positive, many, certain, lactic, aerobic, intestinal, most, photosynthetic, reducing, enteric, producing, various, harmful, forming, heterotrophic, purple, marine, green, oral, oxidizing, gramnegative, shaped, viable, intracellular, putrefactive, thermophilic, dead, nitrifying, symbiotic, pyogenic, methanogenic, filamentous, acetic, susceptible, friendly, beneficial, virulent, invading, autotrophic, saprophytic, fast, rumen, luminous, live, numerous, grampositive, phototrophic, facultative, causing, vegetative, gram, sensitive, halophilic, fecal, ordinary, nodule, colonic, acid, indigenous, parasitic, motile, borne, commensal, lysogenic, airborne, infectious, magnetotactic, infected, encapsulated, harmless, probiotic, degrading, dangerous, associated, proteolytic, fermentative, cellulolytic