Here's Why I Closed My Chase Bank Account On My Lunch Break. When I moved to New York in 2010, it made sense to ditch my account with PNC National Bank â which only has two branches in Manhattan â and switch to Chase, which seemed to be on every corner.
parasite - an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host. 1  organism, being - a living thing that has (or can develop) the ability to act or function independently.
A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host. There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites.rotozoa. Protozoa are microscopic, one-celled organisms that can be free-living or parasitic in nature. They are able to multiply in humans, which contributes to their survival and also permits serious infections to develop from just a single organism.