15. The goal of cladistics is to classify species according to a. mutations in their DNA.
b. the order in which they descended from a common ancestor.
c. their ability to produce offspring.
d. the geological time in which they appeared on Earth.
16. Which of the following lists the three domains accepted by most scientists?
a. Archaea, Prokaryote, and Eukaryote c. Bacteria, Fungi, and Protista
b. Bacteria, Protista, and Eukarya d. Eukarya, Archaea , and Bacteria
17. The study of how living and extinct organisms are related to one another is called
a. clade. b. phylogeny. c. taxonomy. d. convergence.
18. Scientists assign each kind of organism a universally accepted name in the system known as
a. binomial nomenclature. c. traditional classification.
b. the three domains. d. cladistics.
19. Cladistics is a classification system based on
a. nomenclature. c. dichotomous keys.
b. physical characteristics. d. common ancestry.
20. In the scientific version of a species name, which of the terms is capitalized?
a. the second term only c. neither the first nor the second term
b. the first term only d. both the first and second terms
21. Scientific names are written in what language?
a. Latin b. Arabic c. English d. Greek
22. The correct order for the levels of Linnaeus's classification system, from general to specific, is
a. kingdom, phylum, class, order, family, genus, species.
b. kingdom, species, class order, family, genus, phylum.
c. phylum, kingdom, family, class, order, genus, species.
d. species, genus, kingdom, family, order, class, phylum.
23. Which of the following occurs at a slow rate and compares distantly related species?
a. protein sequences c. mitochondrial DNA
b. ribosomal RNA d. amino acids
24. The domain that corresponds to the kingdom Eubacteria is
a. Bacteria. b. Eukarya. c. Fungi. d. Archaea.
25. In the Linnaean system of classification, which of the following is most commonly defined as a group of
organisms that can breed and produce offspring (most specific level)?
a. phylum b. genus c. order d. species