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If receiving financial aid , students should check with their financial aid counselor before dropping a course , since some aid packages require a minimum number of credits per semester . The candidate receiving the highest number of votes cast for that office shall be elected ; in case of tie , a run-off election shall occur . Walking slowly around the classroom while lecturing and standing behind disruptive students can be effective . But visiting a temple in the evening on your way home ? In most terrestrial and aquatic habitats , the vast majority of animals transmitting and receiving communicative signals are arthropods . The program also invites visiting writers to Penn for readings and talks and sponsors a university-wide writing contest each spring . We 'll be spending a fair amount of time in a boat out on Gatun lake in Panama measuring the top airspeeds of a number of euglossine bee species across a range of sizes . They will also play a key role in proposing and organizing recording expeditions , and will participate in relevant outreach , education , public service , lecturing , article writing , and related activities as appropriate . Visiting foreign scientists engaged in animal behavior research and not members of the Animal Behavior Society may present papers at annual meetings and , for a period of not more than two years , receive the ABS NEWSLETTER . Because of their small to minute body size most arthropods have problems sending and receiving acoustic and optical information , each of which have their own severe constraints . By the smallest of odds , this was an owl with a crack open to humanity and Professor Terman engagingly explores this opening , receiving messages , revealing much about both owls and humans . From the time it fledged , Terman 's owl roamed unrestrained killing prey , competing for territorial space and for mates , all the while sending messages , messages telling of hunts and kills , fence row romances , and intense battles over real estate and perching rights .