2010 Exam Key 2

2010 Exam Key 2 - NPB 102, Animal Behavior Winter 2010 Exam...

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1 NPB 102, Animal Behavior Name: _______________________________________________ Winter 2010 Exam 2 Student ID #____________________________________ Instructions: This exam has 6 pages, none of them blank. Make sure that your copy is complete before beginning. If you want us to be able to return your exam to you by leaving it in the hall boxes in Briggs hall, sign the authorization on this page . Read each question very carefully to be certain that you understand what is being asked. We will not answer any questions about the exam during the exam! Please do not come up to ask an instructor about any exam questions during the exam. If you believe a question is a bad question you may make a note on your exam for the instructors to consider. I hereby give the instructors of NPB 102 my permission to return my exam to me by leaving it in the hall boxes in Briggs Hall. Signature: ______________________________________________________________
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2 Multiple Choice : (1 pt each) Circle the letter of the one best choice to complete each of the following: 1) Naïve baby inland garter snakes show relatively little interest in slugs as food. Which of the following is a proximate immediate-causal hypothesis to explain this fact? a) Inland populations of garter snakes encounter large numbers of leaches, which are dangerous to eat, and consequently they have been selected to avoid slimy creatures such as leaches and slugs. b) In-utero exposure to chemicals from foods consumed by pregnant females determines what prey newborn garter snakes recognize. c) Naïve baby inland garter snakes lack chemoreceptors that respond to slug chemicals on their tongues. d) All of the above. e) None of the above. 2) Variation in gene activity patterns among individual worker bees is most closely related to: a) The age of the bees. b) Which specific task the newly-metamorphosed workers first happened to do. c) The task the bees currently do, irrespective of age. d) Individual variation in genetic makeup. e) None of the above: Gene activity patterns do not vary systematically among individual worker bees. 3) The swimming behavior of Tritonia diomedia corresponds most closely to which of the following? a) A Fixed Action Pattern b) A Sign Stimulus c) A Releaser d) An Innate Releasing Mechanism e) A stereotyped learned behavior 4) The “ramp depolarization” in a DSI of Tritonia diomedia : a) Influences the rate of action potentials during bursts in the DSI. b) Influences whether or not the firing rate in the DSI is sufficient to induced a burst of action potentials in C2. c) Is responsible for the eventual termination of the swim sequence. d) All of the above. e) None of the above. 5) “Cortical magnification” refers to: a) The microscope power used to visualize brain slices in studies of neuroanatomy. b)
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This note was uploaded on 04/09/2010 for the course NPB NPB 102 taught by Professor Hahn during the Spring '10 term at UC Davis.

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2010 Exam Key 2 - NPB 102, Animal Behavior Winter 2010 Exam...

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