英文介绍考拉KoalaPPT课件

.,1,WhenwetalkaboutAustralia,wealwaysthinkof,.,2,Todaywearegoingtotalkabout,koalabear,.,3,Introduction,Thekoala(Phascolarctoscinereus)isanarboreal(livinginthetree)herbivorous(eatinggrass)marsupial(animalswithabaginbody)nativetoAustralia,andtheonlyextantrepresentativeofthefamilyPhascolarctidae.ThekoalaisfoundincoastalregionsofeasternandsouthernAustralia,fromAdelaidetothesouthernpartofCapeYorkPeninsula.,.,4,Name,koala-“doesntdrink”scientificname-PhascolarctoscinereusAlthoughthekoalaisnotabear,English-speakingsettlersfromthelate18thcenturyfirstcalleditkoalabearduetoitssimilarityinappearancetobears.Althoughtaxonomically(classify)incorrect,thenamekoalabearisstillinusetodayoutsideAustralia.,.,5,Physicaldescription,similarinappearancetothewombatathickercoat,muchlargerears,andlongerlimbs(armsandlegs)large,sharpclawstoassistwithclimbingtreetrunksWeightvariesfromabout14kgforalargesouthernmale,toabout5kgforasmallnorthernfemale,.,6,Physicaldescription,Thekoalasfivefingersincludetwoopposable(possibletooppose)thumbs,providingbettergrippingability.Thefirsttwofingersarepositionedinappositiononthefrontpaws,andthefirstthreefingersforthehindpaws.Koalafingerprintsaresimilartohumanfingerprints;evenwithanelectronmicroscope,itcanbequitedifficulttodistinguishbetweenthetwo.,.,7,Food&Behavior,Koalahasaslowmetabolism(processesoccurringwithinalivingcellororganism),sleepingformostoftheday,about16-18hoursaday.Koalalivesalmostentirelyoneucalyptleaves.Koalasspendaboutthreeoftheirfiveactivehourseating.Feedingoccursatanytimeofday,butusuallyatnight.,Koala,WhattheanimallookslikeHowitsbabiesarebornWhereitlivesWhatiteatsandhowitlocatesitsfoodItsbehavior,Contents,Eucalyptus,juklpts:Aeucalyptusisanevergreentree,originallyfromAustralia.Pouchpaut:Thepouchofananimalsuchasakangarooorakoalabearisthepocketofskinonitsstomachinwhichitsbabygrows.Abdomenbdmn:Abdomenisthepartofyourbodybelowyourchestwhereyourstomachandintestinesare.,NewWords,LookslikeasmallbearFuristhickandashgrayLargeearsLargebrowntoblacknose,Whattheanimallookslike,EachbornsinglyLivesinmotherspouchLeavesthepouchafteroneyearLivesfor10-15years,Howitsbabiesareborn,QueenslandNewSouthWalesVictoriaSouthAustralia,Itshabitat(Whereitlives),NodrinkEucalyptusleaves500gramLiveintrees,Wh