The best definition of a virus species is a
A) self-perpetuating nucleotide fragment.
B) obligate host-dependant parasitic entity.
C) viral lineage that occupies a particular ecological niche.
D) virion or virions requiring a suitable replicating environment.
E) conserved nucleotide sequences, sharing commonality in hosts, symptoms and reproductive processes.

Question

Quizplus · Accepted Answer

EA virus species is defined by its ecological niche (the specific environment it thrives in and how it interacts with its host) and by conserved nucleotide sequences that indicate shared characteristics such as host range, symptoms caused, and reproductive mechanisms.

The Best Definition of a Virus Species Is a