Kaplan Nursing Entrance Practice Exam

Which of the following lists the correct order of taxonomic classifications?

1. Domain, Kingdom, Class, Order, Family, Genus, Species

2. Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

3. Domain, Kingdom, Phylum, Subphylum, Order, Family, Genus, Species

4. Domain, Kingdom, Phylum, Subphylum, Class, Order, Family, Species

The correct answer is: Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

The correct order of taxonomic classifications, which is a hierarchical system used to organize and classify living organisms, begins with Domain and progresses through several additional categories to reach the most specific level, Species. The structure goes as follows: 1. **Domain** - This is the highest taxonomic rank and categorizes life forms into three main groups: Archaea, Bacteria, and Eukarya. 2. **Kingdom** - This is the next level beneath Domain, grouping organisms based on more specific similarities. 3. **Phylum** - This classification subdivides Kingdoms into major groups that share basic structural similarities. 4. **Class** - Phyla are further divided into Classes, grouping organisms with even closer similarities. 5. **Order** - Each Class can be subdivided into Orders, which group even more closely related organisms. 6. **Family** - An Order consists of one or more Families, grouping organisms that are very closely related. 7. **Genus** - Families are divided into Genera, which include species that are very similar. 8. **Species** - This is the most specific rank, identifying a single group of organisms that can interbreed. The choice that accurately reflects this organization is the one