Some bacteria thrive extreme environment conditions such as absence of oxygen, high salt concentration, high temperature and acidic pH. HomeBiological Classification MCQsSome bacteria thrive extreme environment conditions such as absence of oxygen, high salt concentration, high temperature and acidic pH.Biological Classification MCQsQ. Some bacteria thrive extreme environment conditions such as absence of oxygen, high salt concentration, high temperature and acidic pH. CyanobacteriaEubacteriaArchaebacteriaAll of the aboveAnswer: Archaebacteria