Question

notes on microorganisms friend and foe

Answer 1

An organism that is too small to be seen by the unaided eye,especially a single cell organism is called microorganism. The main microorganisms in and on our body are protozoa, algae, fungi, bacteria and viruses. Most microorganisms are beneficial,for example, there are microorganisms in our intestine that synthesise vitamins and allow them to be absorbed into the blood stream.However, a tiny minority are pathogens (disease causing agents). These Pathogens, often called germs or bugs are a threat to all life forms.The source of Antibiotic tablets,capsules or injection is microorganism.Alcohol, wine,vinegar are produced by use of microorganisms. So we can say microorganisms are friend and foe.