Order the taxa from largest (first) to smallest (eighth).

1. first

kingdom

2. second

species

3. third

genus

4. fourth

family

5. fifth

class

6. sixth

domain

7. seventh

phylum/division

8. eighth

order

The answer is 1. domain, 2. kingdom, 3. phylum/division, 4. class, 5. order, 6. family, 7. genus and 8. species. From largest (first) to smallest (eighth) taxa, the order is following: domain, kingdom, phylum/division, class, order, family, genus and species. Taxonomic groups, or taxa, are used for biological classification. For example, for human, the classification will look like this: 1. Domain: Eukarya; 2. Kingdom: Animalia; 3. Phylum: Chordata; 4. Class: Mammalia; 5. Order: Primates; 6. Family: Hominidae; 7. Genus: Homo; 8. Species: Homo sapiens.