Describe briefly different groups of Monerans you have studied.
Eubacteria :

Explanation

II. Eubacteria :
1) They occur almost everywhere, such as hotsprings, desertes, snow and deep oceans as parasites and as symbionts.
2) They are classified into spherical coccus, rod shaped bacillus, the comma shaped vibrio and the spiral shaped spirillum, based on their shape.
3) The cell wall is made up of peptidoglycan.
4) The cell membrane shows infoldings called mesosomes.
5) They contain 70s type of ribosomes along with naked genetic material (nucleoid).
6) Some of eubacteria are autotrophic and the vast majority are heterotrophs.
7) Cyanobacteria like Nostoc and Anabaena are Unicellular, colonial or filamentous, aquatic or terrestrial algae.
8) They often forms blooms in polluted water bodies. Some of them can fix Atmospheric Nitrogen in specialised cells called Heterocysts.