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