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.
Viruses aren't even considered living entities. They do not have a means to reproduce on their own, so they need living cells to reproduce. Viruses alter the cell's blueprint â¦  and the cell begins to make more viruses.When the host dies, the cells die, and the virus cannot reproduce.Eventually it just breaks down.iruses aren't even considered living entities. They do not have a means to reproduce on their own, so they need living cells to reproduce. Viruses alter the cell's blueprint â¦  and the cell begins to make more viruses.