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.
  A virus isn't put into one of the 5 kingdoms because they cannot reproduce without a host cell. The five kingdoms are for living things and a virus isn't living since it â¦ doesn't reproduce. 2 people found this useful.