The difference between these three types of zebras is only about where do zebras live and the answer is that they live at different places. One type of zebra wants to live on mountains and is known as a mountain zebras. Second type lives on plain, grassy lands and is called as Burchell's zebras. Third type of these animals is better known as Grevy's zebras. These zebras are the largest of all three types of the species.
An oncovirus is a virus that can cause cancer. This term originated from studies of acutely transforming retroviruses in the 1950â60s, often called oncornaviruses to denote their RNA virus origin. It now refers to any virus with a DNA or RNA genome causing cancer and is synonymous with tumor virus or cancer virus..The vast majority of human and animal viruses do not cause cancer, probably because of longstanding co-evolution between the virus and its host.t now refers to any virus with a DNA or RNA genome causing cancer and is synonymous with tumor virus or cancer virus.. The vast majority of human and animal viruses do not cause cancer, probably because of longstanding co-evolution between the virus and its host.
Human papilloma virus (HPV) is the major cause of cervical cancer. There are many different types of HPV. Some types of HPV cause genital warts and are sometimes called the genital wart virus.The types of HPV that cause warts do not usually cause cell changes that develop into cancer.Some other types of HPV are considered high risk for cancer of the cervix.ome types are called the wart virus or genital wart virus because they cause genital warts. The types of HPV that cause warts do not usually cause cell changes that develop into cancer. At least 15 types of HPV are considered high risk for cancer of the cervix-they include types 16 and 18.