Which best explains why viruses are not classified by linnaean taxonomy? . a) viruses do not contain any genetic information or a cell wall.. b) viruses share many characteristics with several of the kingdoms.. c)viruses cannot reproduce outside a host cell and are therefore nonliving.. d) viruses lack a protein coat and any metabolic activity.

The best explanation as for why viruses are not classified by the Linnaean taxonomy is because of C. Viruses cannot reproduce outside a host cell, meaning that the host is necessary for its survival and reproduction, and without it can't live on its own accord, thus they are considered non living, they cannot metabolize and undergo essential reactions on its own.