AP BIOLOGY

Detailed explanation-1: -The highest taxonomic group among viruses is the family; families are named with a suffix-viridae. Subfamilies have the suffix-virinae; genera the suffix-virus.

Detailed explanation-2: -Main rules for the correct spelling of names of viruses and related agents: The name of the order always ends in the suffix –virales and is written in italics and the first letter is capitalized. The name of the family always ends in the suffix –viridae and is written in italics and the first letter is capitalized.

Detailed explanation-3: -The first broad division used in virus classification separates viruses into vertebrate viruses, invertebrate viruses, plant viruses, bacterial viruses, and algae, fungi, yeast, and protozoan viruses.

Detailed explanation-4: -2 Virus families are designated with the suffix-viridae. 3 Families are distinguished largely on the basis of physiochemical properties, genome structure, size, morphology, and molecular processes.