2010 Exam Key 1

2010 Exam Key 1 - Name:_ NPB 102, Animal Behavior Winter...

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Name:______________________________________________ 1 NPB 102, Animal Behavior Student ID #_____________________________ Winter 2010, Exam 1 Instructions: This exam has 5 pages, none of them blank. Make sure that your copy is complete before beginning. Write your name on every page and 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 at the end of the exam . 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. Multiple Choice : (1 pt each) Circle the letter of the one best choice to complete each of the following: 1) Infanticide is a common behavior of adult male lions. With regard to this behavior, which of the following is an ultimate hypothesis that would specifically address Tinbergen’s question “How did the behavior evolve?” a) Male lions that practice infanticide reduce the overall food demands of the pride, leading to more food for remaining offspring, which therefore grow more quickly and become stronger, healthier adults. b) Lions belong to a lineage of big cats that all inherited a tendency for infanticidal behavior from a common ancestor. c) Individual males that practice infanticide can begin siring their own young sooner if they remove the young that are present when they first join a pride. d) All of the above. e) None of the above. 2) A proximate explanation for the difference in mating system (i.e., monogamy versus polygyny) between meadow and prairie voles is: a) Males of the two species possess different forms of the receptor for AVP in specific regions of their brains. b) Meadow voles evolved under conditions of high density, favoring a polygynous lifestyle, while prairie voles evolved under conditions of low density, favoring a monogamous lifestyle. c) Meadow and prairie voles are relatively distantly-related taxa and consequently are unlikely to share such traits as mating system. d) All of the above. e) None of the above. 3) When a male white-throated sparrow is temporarily removed from his territory and his own song is broadcast through a loudspeaker placed in the middle of his territory: a) Other males intrude more frequently onto his territory than they would if no song was broadcast. b) Other males intrude less frequently onto his territory than they would if no song was broadcast. c) Other males immediately begin fighting over who gets the now-abandoned territory. d)
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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 1 - Name:_ NPB 102, Animal Behavior Winter...

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