Class Note for ECOL 487L at UA
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This 5 page Class Notes was uploaded by an elite notetaker on Friday February 6, 2015. The Class Notes belongs to a course at University of Arizona taught by a professor in Fall. Since its upload, it has received 11 views.
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Date Created: 02/06/15
8242009 our Texfs Observations of Animal Behavior Around Tucson Alcock J 2009 Amma Behavior EHummingbirds foraging at certain flowers but not others 9 Ed lllon39 Simmer ASSOClaleS39 Inc39 El Lizards doing pushups39 at other lizards or at you Exparmy Anima Behavior Readings BIA black beetle when bothered standing on its head from Amercan Scienf sf edited by P Sherman and J Alcock Sinauer Associates Inc 4 Edition Q1 Ants moving back and forth along a trail between nest and some remote location Why Do NOT use earlier editions They are different Material in text is subject to testing on exams do birds sing mainly males ii A Whiteeyed vireo Willow ptarmigan a Musician wren Male birds feature extravagant traits and Kookaburra bizarre courtship displays A specialized fruit fly uses walnut as its host resource Walnut fly males defend fruit and mate with females as they arrive mm by c Hadguuk female laying eggs clutch of eggs in husk 8242009 Why Flies Boxquot wt nestins hka nr folm when sensory stimuli cause males to box Mechanism boxing males Do they box beH39er wl H i age or experience Developmen39 Terri lorial confes ls include a kind of Does Winning benefit amale in some way Function boxmg behaivor Did ancestors of walnut flies box EVOIU39IU39I Mechanism Mechanism 39 Developmenf Exumgle Pheromone communication in insects Function Female moths release scent termed a sex Evolution pheromone which male moths detect with large These are called 39levels of analysis39 in antennae behavior male non Mechanism Mechanism conf39d Examgle Navigation in sea turtles Analysis of mechanisn migh39 adtbess Sea turtles use sensory organs and receptors Earth 5 magnetie brciins nerves and neurons field To naVIgaTe In hormones ocean Magneforecepfion i issiosienme Is a mechanism e n 8242009 DeveloPmem Gomogeny Development conf39d Example Song development in whitecrowned sparrow Analysis of ontogeny might address sensiiive phases learning habiiuaiion impriniing role of social interactions Young mule must hear song of an aduli mule during a sensitive phase in first 2 months of life Or else he sings a poor rendition of the species39 song at 5 months Function Example Infrared tuil signaling in ground Tail when rattlesnake squirrels present squirrels like n nick tuils Tail when gopher snake present Temperaiure of tail varies with nature of threat ht39t www rims or content 104 36 14372 su i DCl Rattlesnake shifts from predaiory to 7 Why quot 9 d39fferequot 39 defensive behavior when robotic squirrel signuls39 with hot tuil l l 1 l A iahaiissooinel Because ruttlesnukes can detect infrared using But how does signal deter predator pit organs 8242009 Hypotheses 1 Squirrel with hot tail looks bigger Function cont39d 2 Tail signal informs rattlesnake that squirrel has detected it Analysis of function might adtbess effect of behavior on fitness role of tradeoffs reproduction or genetic relatives Hypothesis 1 favored at present alalm calls alpianle oug Evolution Global Warming and Natural Selection An analysis of evolution 1 might address 39 natural selection ancestry fossil record Red squirrels in Canada are breeding 18 days earlier than 10 years ago e 6 days per generation Increasing temperatures favor squirrel genotypes that breed earlier Why Do Dogs Bark HypotheSIs Testing and Animal Mechanisn Behavior What sound frequencies are represented in a bark Ari hypothesis is simply a possible explanation for something Development Do dogs learn to bark Func39i m Emmaquot Observe at Ask Questions Et State Hypothesis Does barking deter Do other canine species intruders wolves coyotes bark id 39lt E 8242009 Mechanism Proximafe causes Development 39 Function Ulfimafe causes Evolution Levels somel imes cafegor39ized as proximafe or ulfimal39e causesquot lri yuur textbuuk Why Questions in Animal Behavior Look We knowi you did ii liowis no longer the question wnoi we now woni io know is wiiz Why now brown cow
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