In the wild, the only tiger subspecies in the wild that have been observed to carry the white color is the Bengal tiger. Even all the white tigers that have been held captive are partly Bengal in subspecies. It is believed that the rare recessive gene that carries the white color comes from Bengal tigers only.
It is difficult to classify viruses as living organisms because they are not made of cells. They only become alive when they find a host i.e. a living cell to live in.ome algae are difficult to classify because they sometimes do not properly fit in one of the kingdoms since they may have characteristics from a few of the kingdoms.
Answer by Dense123. Confidence votes 45. Virus is considered as a living organism since it doesn't have what we call a well-defined cell. It has a protein coat and genetic material only. It is a matter of controversy whether to classify viruses as living or non-living. They lack all other cell components.onfidence votes 45. Virus is considered as a living organism since it doesn't have what we call a well-defined cell. It has a protein coat and genetic material only. It is a matter of controversy whether to classify viruses as living or non-living. They lack all other cell components.