Sci 1102 Example Final Examination Summer 2011 Form A (KEY)Name_________________

1-10. Matching: The following terms may be used once, more than once, or not at all.

a. communication signal b. fixation c. polyploidy d. genetic equilibrium e. instinctive behavior ab. bottleneck ac. inclusive fitness ad. cladogenesis ae. imprinting bc. pheromone bd. anagenesis be. None of these

ad. cladogenesis 1. Speciation pattern in which a lineage splits and isolated populations undergo genetic divergence.

c. polyploidy 2. Having three or more of each type of chromosome in the nucleus of cells at interphase (3n, 4n, etc.).

bd. anagenesis 3. Speciation pattern; changes in allele frequencies and morphology accumulate within an unbranched line of descent.

a. communication signal 4. Information-laden cue directed by one member of a species to another. May be chemical, visual, acoustic, or tactile.

e. instinctive behavior 5. Any behavior that an animal performs without having first learned it through experience.

ac. inclusive fitness 6. Genetic contribution to the next generation by an individual and its close relatives.

ab. bottleneck 7. Severe reduction in the size of a population, brought about by intense selection pressure or a natural calamity.

b. fixation 8. Loss of all but one kind of allele at a gene locus for all individuals in a population.

d. genetic equilibrium 9. In theory, a state in which a population is not evolving.

be. None of these 10. Scientific study of the world distribution of species.

11. A program of coordinated muscle activity that runs to completion independently of feedback from the environment. a. imprinting b. stimulus c. fixed action pattern d. intermediate response e. none of these

12. Well-defined environmental cues that trigger suitable responses. a. instinctive behavior b. fixed action pattern c. learned behavior d. sign stimuli e. none of these

13. Observable, coordinated responses to stimuli. a. animal behavior b. imprinting c. fixed action pattern d. stimulus e. none of these

14. Any behavior that helps perpetuate an individual's genes. a. altruistic behavior b. reproductive success c. adaptive behavior d. social behavior e. none of these

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15. These cause physiological responses. a. tactile displays b. composite signals c. communication displays d. priming pheromones e. none of these 16. A simple society brought together by reproductive self-interest; in bluegill sunfish, the larger, more powerful males tend to claim the central nesting locations. a. dominance hierarchy b. the selfish herd c. cooperative predator avoidance d. disadvantages of sociality e. none of these

17. Newly hatched goslings follow any large moving objects to which they are exposed shortly after hatching; this is an example of ______. a. homing behavior b imprinting c piloting d. migration 18. A lek is a ______. a. form of threat display b. type of pheromone c. communication signald. communal display ground

19. A behavior that improves an individual's chance to reproduce regardless of the impact on the population. a. adaptive behavior b. reproductive success c. social behavior d. selfish behavior 20. A voluntary action becomes associated with its consequences. a. operant (learning) behavior b. fixed action behavior c. altruistic behavior d. innate behavior e. Selfish herd behavior

21. An individual learns not to respond to a stimulus that has neither good nor bad consequences.a. habituation b. imprinting c. piloting d. migration e. none of these

22. Other members of the group form a living shield against predators. a. elephant seals b. chipmunks c. Lyre birds d. Musk oxen e. spiders

23. Which of the following is not a prezygotic isolating mechanism? a. Ecological Isolationb. Temporal Isolation c. Behavioral Isolation d. Gametic mortality e. All of these are prezygotic isolating mechanisms

24. Which of the following organisms use temporal isolation? a. Dendrobium orchids b. crayfish c. tree frogs d. sage plants

25. Which of the following is not a post-zygotic isolating mechanism? a. Zygotic mortalityb. Hybrid inviability c. Hybrid sterility d. Gametic mortality

26. Speciation by polyploidy is represented in: a. many animal species b. many plant species c. both animal and plant species d. neither animal or plant species e. only in bacteria

27. Speciation “without a barrier” is called __?__ speciation and is illustrated within the organisms, __?__. a. sympatric/ scrub jays b. sympatric/African cichlids c. allopatric/Blue-headed Wrasse d. allopatric/orioles e. parapatric/orioles

28. Speciation “along a border” is called __?__ speciation and is illustrated within the organisms, __?__. a. sympatric/ Scrub jays b. sympatric/African cichlids c. allopatric/Blue-headed Wrasse d. allopatric/Orioles e. parapatric/Orioles

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29. Which of the following statements is false for speciation by anagenesis? a. No branching b. Changes occur within single lineage c. Gene flow throughout process d. Lineage splits, isolated populations diverge

30. Which of the following statements is false concerning adaptive radiation? a. Burst of divergence b. Single lineage gives rise to many new species c. New species fill vacant adaptive zones d. Associated often with extinction events e. None of these are false in association with adaptive radiation

31. The evolution of reproductive _____?_____ pave the way for genetic divergence and speciation.a. mechanisms b. modes c. isolating mechanisms d. success e. styles

32. There is evidence that polyploid animals are rare because of a failed ___?_____ compensation. a. allopatric b. sympatric c. parapatric d. dosage e. none of these

33. The ____?______ of speciation is drawn with short, horizontal branches that represent abrupt periods of speciation followed by stable periods. a. gradual model b. punctuation model c. anapestic model d. Darwinian model

34. A(n) ___?____ is a set of ecological niches that may be occupied by a group of species that exploits the same resources in a similar manner. a. biorealm b. adaptive radiation c. adaptive zone d. biome

35. ____?_____argued that as a human population size increases, resources dwindle, the struggle to live intensifies, and conflict increases. a. Aristotle b. Hippocrates c. Lou Dobbs d. Malthus e. none of these

36. Which of the following are not required to establish genetic equilibrium?

a. No mutation b. Random mating c. Gene doesn’t affect survival or reproduction d. No immigration/emigration e. All of these are required

37. At genetic equilibrium, proportions of genotypes at a locus with two alleles are given by the equations: p2 AA + 2pq Aa + q2 aa = 1 and p +q = 1This is known as the: a. Malthusian Catastrophe b. Theory of Natural Selection c. Hardy-Weinberg ruled. Inclusive fitness Model e. None of these

38. Antibiotic resistance in microorganisms is an example of: a. stabilizing selection b. directional selection c. disruptive selection d. none of these

39. ___?___ tends to counteract other micro-evolutionary processes. a. gene flow b. natural selection c. sexual selection d. genetic drift e. none of these

40. (T/F) Results of artificial selection show that extremes in size and form are universally attainable in a relatively short time period.

41. Which Greek philosopher developed the concept, the “great chain of being”? a. Hippocrates b. Socrates c. Ethoses d. Aristotle e. none of these

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42. The notion that “all aspects of nature can be traced to their underlying causes” is attributed to _______ ? a. Hippocrates b. Socrates c. Ethoses d. Aristotle e. none of these

43. ___?___ (shallow/deeper) layers contain ___?____(simpler/more complex) fossils than shallow layers. a. shallow/simpler b. deeper/more complex c. neither a or b d. deeper/simpler

44. The English geologist,___?___, posited the “Theory of Uniformity”. a. Malthus b. Darwin c. Lyell d. Adam Smith

45. What was the name of the ship on which Darwin sailed? (On a recent Georgia state – wide test, this was the only question concerning Darwin!!!). a. Queen Elizabeth b. HMS Malthus c. HMS Beagle d. Queen Mary

46. To trace a male’s genetic history, which chromosome is examined? A. Y b. X c. X or Y d. any autosome e. none of these

47. What did Basilosaurus have that modern whales lack? a. ears b. legs c. fins d. large brain

48. Which of the following genotypes would you not expect to find among the offspring of a SsYy x ssyy test cross:

a. Ssyy b. SsYY c. ssYy d. ssyy e. SsYy

49. What percentage of the offspring from a mating between a male and a female, both who are heterozygous for Huntington’s disease, would be predicted to be afflicted? Huntington’s is inherited dominantly.

a. 100% b. 75% c. 50% d. 25% e. 0%50. What blood types are possible for the offspring of a mating between a male: type AB and a female: type B?

a. type O b. type A c. type B d. type AB e. all of these except for type O

The End

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