1. Taxonomy: discipline of classifying organisms and assigning each organism a universally accepted name.
2. Binomial Nomenclature: classification system in which eachspecies is assigned a two-part scientific name.
3. Genus: group of closely related species, and the first part of the scientific name in binomial nomenclature.
4. Taxon: group or level oforganization into which organisms are classified.
5. Family: group of genera that share many characteristics.
6. Order: group of similar families.
7. Class: group of similar orders.8. Phylum: group of closely related classes.
9. Kingdom: large taxonomic group, consisting of closely related phyla.
10. Phylogeny: the study of evolutionary relationships amongorganisms.
11. Evolutionary Classification: method of grouping organisms together according to their evolutionary history.
12. Derived Character: characteristic that appears in recent parts of alineage, but not in its older members.
13. Cladogram: diagram that shows the evolutionary relationships among a group of organisms.
14. Molecular Clock: model that uses DNA comparisons toestimate the length of time that two species have been evolving independently.
15. Domain: most inclusive taxonomic category; larger than a kingdom.
16. Bacteria: domain of unicellularprokaryotes that have cell walls containing peptidoglycan.
17. Eubacteria: kingdom of unicellular prokaryotes whose cell walls are made up of peptidoglycan.
18. Archaea: domain ofunicellular prokaryotes that have cell walls that do not contain peptidoglycan.
19. Archaebacteria: kingdom of unicellular prokaryotes whose cell walls do not contain peptidoglycan.
20. Eukarya:domain of all organisms whose cells have nuclei, including protists, plants, fungi, and animals.
21. Protista: kingdom composed of eukaryotes that are not classified as plants, animals or fungi....