精编制作地球脉动-两极之间Planet Earth-From Ploe to PolePPT课件-FromPoletoPoleGroup2PlanetEarthNorth北极熊Polarbears.极昼Polarday北极苔原Arctictundra北美驯鹿caribouNotenoughenergyreachesgroundtoenabletreestogrow亚寒带针叶林Subarcticconiferous远东豹Amurleopards温带阔叶林temperatebroadleavesVariousbirds热带丛林jungle海豹Seals大白鲨Greatwhites海洋ocean雄帝企鹅MaleEm...
-FromPoletoPoleGroup2PlanetEarthNorth北极熊Polarbears.极昼Polarday北极苔原Arctictundra北美驯鹿caribouNotenoughenergyreachesgroundtoenabletreestogrow亚寒带针叶林Subarcticconiferous远东豹Amurleopards温带阔叶林temperatebroadleavesVariousbirds热带丛林jungle海豹Seals大白鲨Greatwhites海洋ocean雄帝企鹅MaleEmperorPenguins极夜polarnightSouthRepresentativeCreaturesPolarday极昼It’smarch.AndlightreturnstohighArctic,aPolarbearstirsfromherden.Heremergencemarksthebeginningofspring.Andthelittlebearscometotheirmothertogetfood.Theirmotherthathasnoteatenfor5monthsandhaslosthalfherbodyweightconvertsthelastofherfatreservesintomilkforherbabies.Temperature-30.Thebabiesstillneedtoliveintheshelter.Thesunwilldissolvetheice,whichwillhinderthebeartohuntitsfood(seal).Nearlyhalfofthebabybearswilldieinthefirstyearinthebrokenice. Polarbears北极熊Arctictundra北极苔原NorthernCanada’swildfrontierEveryyear3millionsofcariboumigrateacrosstheArctictundra(北极苔原）.Thisisthelongestoverlandmigrationmadebyanyanimal.Someherdstravelsover2000milesayearinsearchoffreshpastures.Thisisthelongestoverlandmigrationmadebyanyanimal.Therearewolvesinhangerschemingtocatchthenewlyborncalves.Thestrategyisthatrunningdirecrlyattheherdtomaketheminpanicfirst,andthentrytocapturetheseparatedtheherd.Andnowit’seasiertotargetanindividual. caribou北美驯鹿Midsummerontundraandthesundoesnotset.Astheselatitudesthesun’sraysareglancing.Andnotenoughoftheirenergyreachesthegroundtoenabletreestogrow.temperatebroadleaves温带阔叶林TheAmurleopard-therarestcatintheworld,syblolizethefragilityofournatureheritage.Thereareonly40Amurleopardsleftinthewild.Andthatnumberisfalling.Thecatshasbeenpushedtotheveryedgeofextinctionbyhuntingandthedestructionoftheirhabitat. Amurleopards远东豹Allanimals,rareorcommon,ultimatelydependfortheirenergyonthesun. JungleInthetropicsthesun’sraysstriketheearthheadon,sothejunglegrowssovigorouslyand supportssomuchlife.Thisforestcoversonly3percentoftheplanet’ssurface,butitcontainsmorethan50percentofallitsplantsandanimals.Thereare42differentspeciesofbirdsofparadiselivinginthegreatislandofNewGuinea,eachmorebizarrethanthelast.BirdsofparadiseOceanSummeristhetimeofplentyandit’snowthatthesealsstarttobreed. Seals海豹Greatwhites大白鲨ElephantsBuffalo水牛Inadryseason,thousandsofelephantshavestartedtotravelindesperatesearchforwater.AllacrossSouthAfricaanimalarejourneyingforthesamereason.polarnight极夜MaleEmperorPenguinsarefacingthenearestthatexistsonplaneEarth.WinterinAntarctica.It’scontinuousdark.Andtemperaturesdroptominusseventydegreescentigrade.ThePenguinsstaywhenallothercreatureshavefled.Becauseeachguardsatreasure:asingleeggrestedonthetopofitsfeet.Andkeptwarmbeneaththedownybugleofitsstomach.Therewasnofoodandnowaterforthem.Andthemwillnotseethesunagainfor4months. MaleEmperorPenguins雄帝企鹅Thanks！““
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