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Human Biology Exam 1 Notes .docx

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Department
Anthropology
Course
CAS AN 102
Professor
Jeremy Desilva
Semester
Fall

Description
HumanBiologyLecture1NotesTodayIntroductionAnthropologythestudyofhumansIntegratessociologyeconomicspoliticalsciencehistorypsychologyandbiologyComprisesfoursubfieldsculturalanthropologyarchaeologylinguisticanthropologybiologicalanthropologyBiologicalanthropologyascientificunderstandingofthehowsandthewhysofhumanoriginsevolutionandbiologyevolutionaryprocessesgeneticshumanbiologyincludingskeletalmodernhumanvariationpaleonanthropologyprimatepaleontologyprimatologypaleopathologyforensicanthropologyWesharearelativelyrecentcommonancestorwithapesgeneticssharedanatomiessharedbehaviorsandfossilsshowsusthisTheabilitytohaveflexiblemusclefunctionintheshouldersallowedapestograbonbranchesthusprovidingthemanadvantagefortheirsurvivalevolutionaryfavorablehumanshaveasimilarshouldermobilityMorotoUgandafossilsfoundincludepartsofashouldersimilartochimpsapesetcanimalslivinginAfricaourancestorsBipedalismuprightwalkingoneofthefirstthingstodefineourlineagelineageleadingtochimpsgorillasetc6myaArdipithecinesrootape4myaAustralopithecinesLucy2myaHomoancestryerectussapienshabilisuseoftoolsrefinedmotorfunctionusingmoresophisticatedtechnologysuchafireforcookingWearenotentirelysurewhyhumansstartedtowalkontwolegsmanytheorieshoweverHumansdonothaveasnoutandwehavehugebrains20ofenergygoestobrainmaintenanceandfunctionchangeofdiettofuelourbrainmusthavestartedintheHomoancestryourbrainshavegottensmallerinthelast30000yearsStonetoolsHomohabilisNoAustralopithecinessmallbrainedlargetoothedyetusestoolsThehobbitexistedthesametimeastheHomos17000yearsagopuzzlingscientistsWecantimestampwhenhaironthebodylessenedinourancestrythroughgeneticsnotfossilsFoundinEthiopiaoldestHomosapiensskullfoundanatomicallysimilartousHumansstillhaveneandertalDNAabout67CultureartifactsveryhumanstartedwiththeneandertalsBlueeyeswasraretohaveinourpastancestryevolvedTheabilitytodigestlactosebythelactaseenzymealsoevolved10kyearsagoSkincolorationduetotheamountofsunradiationproximitytotheequatorPrimatepredispositionsnotareasontoactoutinviolencewhetheritbestrictlysoorsexuallyDNARNAProteinUSSourceofdiversityrawmaterialforselectiontoworkonBroadDNAcomparisonsallowforfamilytreeconstructionsSpecificDNAdifferencesallowustoevaluatewhichgeneschangedduringhumanevolutionChimpsabletouselanguageandutilizetoolsComparativeprimatologyifyouwanttofindoutaboutyourselfstudyyourrelativesPaleoanthropologyIfyouwanttofindoutaboutyourselfstudyyourancestorsHumanBiologyLecture2Notes
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