Virueses are considered to be the most abundant biological entity on the planet. What does that statement mean?

Viruses are always going to be around. They affect living creatures on this plant. Virus particles even outnumber cells by an order of magnitude in the ocean. Viruses carry many more uncharacterized genes than cellular life forms.

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.