The mane of the adult male lion, unique among cats, is one of the most distinctive characteristics of the species. It may provide an excellent intimidation display; aiding the lion during confrontations with other lions.
Answer 3: Viruses are not considered alive because they lack many of the properties that scientists associate with living organisms. Primarily, they lack the ability to reproduce without the aid of a host cell, and don't use the typical cell-division approach to replication.nswer 3: Viruses are not considered alive because they lack many of the properties that scientists associate with living organisms. Primarily, they lack the ability to reproduce without the aid of a host cell, and don't use the typical cell-division approach to replication.
I would argue that a virus is not alive. Viruses are completely dependent on host cells to replicate. That said, in absence of the host cell the virus clearly lacks most of the properties of a living thing. would argue that a virus is not alive. Viruses are completely dependent on host cells to replicate. That said, in absence of the host cell the virus clearly lacks most of the properties of a living thing.