2009 Exam Key 2

2009 Exam Key 2 - NPB 102, Animal Behavior Winter 2009 Exam...

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1 NPB 102, Animal Behavior Name: _______________________________________________ Winter 2009 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 developmental 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) A defining characteristic of central pattern generators is: a) They require sensory input in order to initiate activity. b) They can generate rhythmic behaviors without sensory feedback. c) They require sensory input in order to stop activity. d) They underlie many behaviors of invertebrates. e) All of the above. 3) The nutritional stress hypothesis helps to explain: a) The positive relationship between feather growth of baby male songbirds and song complexity in those males’ first breeding season. b) The fact that female songbirds have evolved to rely on male song characteristics as an indicator of male quality. c) What makes song characteristics an “honest signal” of male quality. d) All of the above. e) None of the above. 4) The ventral swim interneurons (VSIs) of Tritonia diomedea : a) Are activated by stimulation from the other components of the central pattern generator, specifically the C2 cells. b) Periodically inhibit the other components of the central pattern generator, the C2 and DSI cells. c)
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2009 Exam Key 2 - NPB 102, Animal Behavior Winter 2009 Exam...

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