Answer :
An animal that not only transports an infectious agent from one host to another but plays a role in the life cycle of the pathogen is Mechanical vector.
Any organism or agent that can cause disease is considered a pathogen in biology in the broadest and most traditional meaning. An infectious agent or plain old germ can also be used to describe a pathogen. Pathogens include bacteria, fungi, viruses, and parasites that can infect the body and harm the immune system. Among many others, microorganisms that cause significant infections include anthrax, HIV, the Epstein-Barr virus, and the Zika virus. An microorganisms that causes disease is referred to as a pathogen. Pathogens include several kinds of organisms besides just bacteria and viruses. Every every living creature, including microorganisms, is susceptible to pathogen infection. Typically, the mouth, eyes, nose, or urogenital openings are where bacteria enter our systems to cause sickness.
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