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.
Family Poxviridae (poxviruses) The family name is taken from the major disease symptom caused by these organisms, the pox. The pox is an elevated lesion of the skin. The members of this family are the largest of all the viruses and are considered to be an evolutionary intermediate between the viruses and the bacteria.