CH 25 Form A view - 2006 APBIO Ch 25 TH AAA Multiple Choice...

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2006 APBIO Ch 25 TH AAA Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Ultimately, which of these is the basis for both the principle of maximum parsimony and the principle that shared complexity indicates homology rather than analogy? a. the laws of thermodynamics b. Boyle's law c. the laws of probability d. chaos theory e. Hutchinson's law ____ 2. If organisms A, B, and C belong to the same class but to different orders and if organisms D, E, and F belong to the same order but to different families, which of the following pairs of organisms would be expected to show the greatest degree of structural homology? a. A and B b. A and C c. B and D d. C and F e. D and F ____ 3. Cladograms based on evidence from molecular systematics are based on similarities in a. morphology. b. the pattern of embryological development. c. biochemical pathways. d. habitat and lifestyle choices. e. mutations to homologous genes. Use the figure below to answer the following questions. ____ 4. Which extinct species should be the best candidate to serve as the outgroup for the clade whose common ancestor occurs at position 2? a. A
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b. B c. C d. D e. E ____ 5. The ostrich and the emu look very similar and live in similar habitats, however they are not very closely related. This is an example of a. divergent evolution. b. convergent evolution. c. exaptation. d. adaptive radiation. e. sympatric speciation. The following questions refer to the hypothetical patterns of taxonomic hierarchy shown in the figure below. ____ 6. If this figure is an accurate depiction of relatedness, then which taxon is unacceptable, based on cladistics? a. 1 b. 2 c. 3 d. 4 e. 5 ____ 7. Which of the following is not true of vertically oriented phylogenetic trees? a. Each branch point represents a point in absolute time. b. Organisms represented at the base of such trees are ancestral to those represented at higher levels. c. The more branch points that occur between two taxa, the more divergent their DNA sequences should be. d.
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This note was uploaded on 11/23/2010 for the course BSC 2010 taught by Professor Bowes during the Spring '08 term at University of Florida.

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CH 25 Form A view - 2006 APBIO Ch 25 TH AAA Multiple Choice...

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