There are two kinds of bacteria. one is harmful and one is harmless.
Are bacteria all bad?
Not at all. Actually most bacteria are very helpful to us. They play an important role in the planet's ecosystem as well as in human survival. in buraya tıklayın.
Are bacteria all bad?
Not at all. Actually most bacteria are very helpful to us. They play an important role in the planet's ecosystem as well as in human survival. in buraya tıklayın.
bacteria can be in yogurts,in your colon .these are the harmless ones.Harmful bacteria can live anywhere as long as the conditions are favourable for their survival. Harmful bacteria are also called pathogenic bacteria or simply germs. They are classified in three categories depending on their shape i.e. coccus, bacillus and spirillium.