Lab 5: Quantifying Cold Tolerance of Various Species of Drosophila, and its Evolutionary Relationshi

38 35 12593 29 74143 42 30487 27 129937 4 76623 0

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Unformatted text preview: ofeachtubewereimmediatelyplacedona tableontheirbacks,andacontinuouslyrunningtimerloggedallthewake ­uptimes.This processwasrepeatedforallthespeciestubes.  Oncethedatawascollected,themeanwake ­uptimeforeveryspecieswascalculated, andthetimesweregraphedagainsttheirrespectivemidpointlatitudes;afterwards,theraw datawasanalyzedvialinearregression,andanR2valuewasgenerated.Asecondregression linewasthengeneratedundertheassumptionthatthe datageneratedwasdueto phylogeneticinheritance,ratherthanindependentadaptation,andasecondR 2valuewas generated.A95%confidenceintervalwasusedtojudgethevalidityoftheresults. Results  Drosophila Species deflecta falleni hydei innubila mauritiana melanogaster mojavensis nebulosa neotestacea palustris recens sechellia simulans subquinaria testacea willistoni     MeanWake ­ Midpoint upTime Latitude 128.38 35 125.93 29 741.43 42 304.87 27 1299.37 4 766.23 0 370.09 33 989.47 28 200.29 42 205.02 43 1401.40 45 1544.92 4 988.13 17 67.65 43 340.17 50...
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