Biological Classification Some bacteria thrive in extreme environment conditions such as absence of oxygen, high salt concentration, high temperature and acidic PH Name them… (a) Cyanobacteria (b)Eubacteria (c )Archaebacteria (d) Streptococcus Answer: C 2.All the bacteria fix nitrogen except … (a)Rhizobium (b) E Coli (c)Azotobacter (d) Cyanobacteria Answer: B 3.The […]