1. D. Quercas Alba
2. D. Phyluym
3. A. Archaebacteria
4. C. Structural Comparisons
5. D. Taxonomy - Classification
6. Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.
7. (If I am reading this question correctly, these are the three characteristics.) Cell type, Nutrient Acquisition, and Reproduction.