Biological warfare (also known as germ warfare) is the use of biological toxins or infectious agents such as bacteria, viruses, and fungi with intent to kill or incapacitate humans, animals or plants as an act of war Biological weapons include living organisms that are able to reproduce and perpetuate their destructive mission beyond the intended target area. Biological weapons is the branch of weapons of mass destruction, that name because they destroy the target country's economy where there are biological agents targeting agricultural wealth(anti agriculture) and the other aimed at the livestock (anti animal) and many of them to target the wealth of mankind (anti person) or anti fishery wealth.