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.
1.) A virus is not considered to be a living organism by most scientists. It is not a cell, and therefore, is lacking in many of the cell parts. All viruses contain a protective ___ capsid ___ and a core of __ nucleic __ __ acid __.Since viruses cannot live outside a cell they are considered a(n) __ parasite ___. 2.) Viruses are very specific in the types of organisms they infect.his cycle contains several steps. During the first step the virus is about to come in contact with the cell. After contact and binding to the cell markers, the virus __ injects its nucleic acid __ into the cell. This DNA/RNA piece releases chemicals that deactivate or destroy the hostâs DNA.