2003 2nd exam key

2003 2nd exam key - Latest revision 10:07 AM Name STUDENT...

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Latest revision: 5/30/03, 10:07 AM Name STUDENT ID Number 2ND MIDTERM EXAM KEY BIEB 166, Animal Behavior & Communication Spring Quarter, 2003 This exam should consist of 6 pages (including this top page); please check that your exam is complete. Sign your initials in the space provided on each page . Please write your answers only in the spaces provided on each page. You may use the back of the pages as a “scratch sheet”, but we will not grade anything written on the back of the page. The exam has a total of 120 points and is worth 22.5% of your course grade; allot time to each question based upon its point value, and budget your time carefully. You have 50 minutes, so you should spend at most one minute for each two points (you might want to leave a little time at the end for checking over your answers). PLEASE USE A PEN . ONLY EXAMS WRITTEN IN PEN CAN BE SUBMITTED FOR REGRADE REQUESTS! The exam will end at 11:50 AM. IMPORTANT!!! When you turn in your exam, you must sign off next to your name on the master list to show that you attended the exam. Good luck!
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BIEB 166: Animal Communication & Behavior Initials:____________________________ Second Midterm Exam Page 2 of 6 total student points on this page:______ Hippogriff mating call IMPORTANT! For multiple-choice questions, there is only one correct or best answer per question. Circling more than one answer per question is incorrect. The following series of questions is based upon the mating call of the mythical hippogriff, an animal that is said to nest in gothic cathedrals. Note that the mating call is separated into three distinct parts (1-3). 1. (4 pts) The upper graph , which plots kHz vs. time (s), is an example of what kind of graph? (a) waveform (b) spectrogram (c) spectrum (d) frequency response curve (e) wavegram 2. (2 pts) Does the lower graph (pressure vs. time) show evidence for amplitude modulation in Part 2 of the hippogriff call? (Consider the lower graph only. Do not consider the upper graph) Yes No (circle one) 3. (4 pts) In which part(s) of the call can we observe frequency modulation? (a) Part 2 (b) Part 1 (c) Part 2 and 3 (d) Part 1 and 3 (e) Part 1 and 2 4. (4 pts) The mating call is the only sound that the hippogriff makes and the example shown captures an exact, perfect recording of the call with no noise.
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