exam3-fall2000 - The following exam gives all questions...

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The following exam gives all questions used on the four sets of exams. Each exam consisted of 35 of the following 39 questions. BSC 2011 - Midterm III: Fall 2000 EXAM : A B C D Dr. C.W. Osenberg Your Name _______________________________________ Circle your section: Period 3 = Section 0575 Period 5 = Section 0576 Your Soc. Sec. Number ___________________________ INSTRUCTIONS 1. Write your name on each page. Make sure that you have all of the pages. 2. Bubble in the Exam code on your scantron. 3. There is a single correct response to each of the 35 questions. Mark the answers on the answer sheet using a #2 pencil. 4. Circle the correct answer on your exam (this way you can use the exam to compare with the key – the exam, but not the scantron will be returned to you next week). 5. ALL TESTS MUST BE TURNED IN, or you will receive no credit for the exam! 6. The exam ends at the end of class (10:25am for Period 3 and 12:35pm for Period 5). Turn in the answer sheet AND the test (with your name written on it). 7. Turn in your test to a Teaching Assistant or the instructor. DO NOT put it with the other exams and answer sheets. Good luck! ______________________________________________________________ DO NOT OPEN YOUR TEST UNTIL INSTRUCTED TO DO SO.
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Name: Page 2 of 12 1. The faculty at the University of Florida: a) spend most of their time teaching undergraduates b) spend most of their time conducting research c) spend most of their time training graduate students d) spend most of their time writing papers e) generate and disseminate knowledge 2. Gene flow between populations will _______ variation within a population, and ________ the differences between populations. a) increase / decrease b) increase / increase c) decrease / decrease d) decrease / increase e) have no effect on / have no effect on 3. Genetic variation can be maintained by: a) heterozygote advantage b) frequency dependent selection c) genetic drift d) a and b, but not c e) a, b, and c 4. Which of the following is required for evolution to occur a) geographic isolation b) random mating c) heritable phenotypic variation d) natural selection e) genetic drift 5. Is it possible to have strong selection without any evolutionary change? a) No. Selection always gives rise to an evolutionary response b) Yes, if the trait is not heritable c) Yes, if the trait is only weakly associated with fitness d) Yes, if the trait is "quantitative" (i.e., determined by small effects of many loci) e) No, unless there is also genetic drift. 6. Allopatric speciation: a) usually occurs in only a single generation b) often arises in insects following host shifts c) sometimes occurs after a single population splits into two geographically isolated populations d) occurs as soon as there is a barrier to gene flow e) is the transformation of one species into a new species (as opposed to cladogenesis)
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Name: Page 3 of 12 7. Which of the following is not used as evidence for macro-evolutionary change? a)
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exam3-fall2000 - The following exam gives all questions...

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