Ex2-2012 - BioNB 2210 Exam 2 Oct 29 2012 Last name_First_MI...

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BioNB 2210 Exam 2, Oct. 29, 2012 Page 1 of 8 Introduction to Behavior Last name: ____________________First: _______MI_____ Cornell ID:____________ EXAM 2 BioNB 2210: Introduction to Behavior 1. Write your name on this exam AND on your scantron sheet. 2. Answers to all multiple choice, true/false, and matching questions should be recorded on the SCANTRON IN PENCIL. Short answer questions should be written on this EXAM PAPER IN PEN. The examples to the right show you how to fill in the scantron “bubbles” properly. 3. Under Identification number, put the last 7 digits of the number on your Cornell University ID card. Leave no blanks between numbers, and blacken the appropriate circles below each number. Start in the “A” column! 4. Write legibly. If we cannot read your answer, we cannot grade it. Use ONLY the space provided. Do NOT use calculators or any other electronic device. 5. Check to see that your exam paper is complete. This exam packet has 8 pages. 6. Fill the answer circles completely. If you make erasures on the scantron sheet, do so completely. Multiple answers will be scored as incorrect. 7. Check the box below corresponding to your discussion section TA’s name: K. Loope G. Stamps J. Kapoor J. Lambert J. Miller 3 Credit “By signing below, I acknowledge that I am abiding by Cornell University’s Code of Academic Integrity.” Signature: ___________________________________________________ Your scores Q38 Q39 Q40 Q41 Q42 Q43 Q44 Q45 SA MC TF M Exam GB Total 4 3 4 4 5 5 4 4 33 18 16 23 90 10 100
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BioNB 2210 Exam 2, Oct. 29, 2012 Page 2 of 8 Introduction to Behavior MULTIPLE CHOICE (3 points each) 1. You are a behavioral ecologist who has just discovered a new beetle species that exhibits a bizarre courtship behavior. Male beetles collect pebbles and create large piles. Females then choose males based on the size of their pebble pile, mate with them, and then leave, laying their eggs later under a leaf. Based on this information, which of the following is likely the PRIMARY benefit of female choice in this newly discovered species? a) Parental care of young b) Resources c) Good genes d) None of the above 2. Sperm competition theory suggests that across species, male relative testes size (i.e. testes size divided by body size), should… a) …increase with female body size. b) …decrease with female body size. c) …increase with female mating frequency. d) …decrease with female mating frequency. e) …be highest in species with social monogamy.
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