Tibetan Terriers (often called TTs) are sometimes called a large dog in a small dog's body, because they have a personality that is more like some of the larger breeds as opposed to what might be expected from their size.he Tibetan Terrier is a medium sized (averaging 14-16 inches at the shoulder, 20-24 pounds) dog whose most dramatic physical characteristic might be the long, profuse, double coat.
nonliving A virus is a submicroscopic obligatory parasitic particle that infects cells in biological organisms. Viruses are non-living particles that can only replicate when an organism reproduces the virulent RNA or DNA.
Best Answer: Bacteria are single cell microscopic organisms & are everywhere Parasites are a organisms that feed off others for their own benefit. Viruses are a microscopic particles that can infect the cells of a biological organism.Basically they can all make you sick in one way or another.The main difference is that bacteria and viruses are not considered true life forms while parasites are.iruses are a microscopic particles that can infect the cells of a biological organism. Basically they can all make you sick in one way or another. The main difference is that bacteria and viruses are not considered true life forms while parasites are.