Which of the following identifies the levels of classification in correct order?
genus, species, domain, kingdom, phylum, class, order, family
genus, species, phylum, class, order, family, domain, kingdom
domain, kingdom, genus, species, phylum, class, order, family
domain, kingdom, phylum, class, order, family, genus, species

Domain, kingdom, phylum, class, order, family, genus, species is the correct order of the levels of classification of living organisms. These classifications are based on very basic shared characteristics in organisms. They are further divided into smaller groups based on the similarities they have within a larger group. 

These levels of classifications are necessary for scientists to easily study certain groups of organisms in different ecosystems. The classification of living things describe characteristics of organisms based on their appearance, reproduction, mobility, and functionality.