(a)Bacteria are very tiny.
(b)They exist in various forms. Most bacteria can be classified according to their shapes.
(c)Bacteria can be found in the air, in water, in soil and on the surfaces that you touch.They live in your body too.
(d)Bacteria can reproduce very fast under a suitable temperature,and with enough water and food.
(e)Bacteria are most active in places that are warm, dark, moist and dirty.
(f)Most kings of bacteria are harmless, and many are eyen helpful.
(g)However, some kinds of bacteria cause diseases such as diarrhoea, sore throat, etc.
(h)Bacteria which cause diseases called germs.
