Exam 1 analysis version 33

Exam 1 analysis version 33 - 1 ,2009 PRINTyourname(neatly)

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1 Exam test code  33     Exam Sequence Number: Biology 1111   Exam 1   February 23 rd , 2009 Exam Test Code and Exam Sequence Number must be recorded on scantron Have your Temple ID available for inspection on the desktop  Show it to proctors when you turn in exam PRINT your name (neatly) BELOW  as it appears on your TU ID  ______________________________________ Your Temple ID # _____________________________ Lab instructor’s name & lab section no.  ____________________________  Your signature ____________________________________ Instructions for completing scantron information are on overhead Complete this before the exam starts as there will be not time at the end During the exam:     Record multiple choice answers on exam as well as scantron.     You may not leave early unless you are in an aisle seat.    You may not leave within 5 minutes of the end of the exam.       When time is called YOU MUST STOP WRITING IMMEDIATELY    Bring exam, scantron and TU ID to the proctor collecting exams with your  color.    Place your exam and scantron in separate boxes marked for each.      Show your ID to instructor at exit.
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2 ABSOLUTELY NO TALKING AT THE END OF THE EXAM NO QUESTIONS WILL BE ANSWERED DURING EXAM 1. How does artificial selection differ from natural selection? BL 2 (85% correct) A) Artificial selection occurs only in computer simulations, not with live organisms. B) Artificial selection is based on conscious choices by humans. C) Artificial selection occurs only with plants. D) Artificial selection is not based on heritable variation, but on new mutations. 2. Over the past several decades, natural selection has caused populations of Staphylococcus aureus (an infectious wound bacterium) to evolve resistance to most antibiotics. If antibiotic use were stopped, what would you predict would happen to these S. aureus populations? BL3 (77%) 3. Starting from the wild mustard Brassica oleracea , breeders have created the strains known as Brussel sprouts, broccoli, kale, and cabbage. Which of the following statements is supported by this observation? BL2 (71%) A) In this species, there is enough heritable variation to create a variety of features. B) Heritable variation is low–otherwise the wild strain would have different characteristics. C) Natural selection has not occurred very frequently in the wild populations. D) In this species, most of the variation present is due to differences in soil, nutrition, amount of sunlight, or other aspects of the environment.
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