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

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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: 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:
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