In order to determine how various organisms are related, scientists have organized them into classification groups called taxa. these groups are shown below, but they are not in the correct order. arrange the levels of biological classification from broadest to most specific.

The levels of biological classification may be arranged from the broadest to the most specific as shown;
Domain
Kingdom
Phylum
Class
Order
Family
Genus 
Species
Taxonomy is the science of defining and naming groups of biological organisms on the basis of shared characteristics. Organisms are grouped together into taxa and these groups are given a taxonomic rank, groups of a given rank can be aggregated to form a super-group of higher rank.