Question

What is virus and protozoa

Answer 1

In short, protozoa are living organisms composed of one (or more) eukaryotic cells. Viruses are not only not made of cells, but are also only “marginally living.”

To elaborate on that last point, the jury is out amongst scientists as to whether or not viruses can be considered “alive,” since they have no independent metabolic processes and cannot reproduce outside of a hos

Answer 2

Disease can be caused by fungi (i.e. athlete's foot) bacteria (i.e. tuberculosis), virus (i.e. common cold) and protozoa (amoebic dysentery). Not all types of fungi, bacteria, viruses and protozoa and disease-causing agents. The causes of disease are sometimes referred to as germs.