Formation, Sayniska
Cave libaax - ilaashadaan hore
Kumanaan sano ka hor meeraha Earth la degganaa by xoolaha kala duwan, taas oo markaas noqday bakhtiyeen sababo kala duwan. Haddaba xoolaha waxaa inta badan loo yaqaan lafo. hadhaagii ay sii raagayaan ee foomka of lafaha qalfoofka iyo skulls helay excavations qaddiimiga ah. Cilmibaadhayaasha ayaa ka dibna si taxadar leh u soo ururin lafaha oo dhan wada oo isku dayaya in sidaas si loo soo celiyo muuqaalka kore ee xayawaanka. In sidaas la sameeyo, waxay kaa caawin karaan in ay farshaxankiisa godkii, iyo xataa farshaxan a heer hoose ka tagay by dadkii hore, kuwaas oo ku noolaa waqti isku mid ah. Maanta, saynisyahano u imid inaan gargaarka ee naqshadeynta computer cilinta image ee xayawaanka lafo ah. Cave libaax - nooc ka mid ah xayawaan qadiimi ah, dhibaya cabsi walaalaha yar yar. Xataa dadka heer hoose isku dayay si aad u hesho wareega ay Habitat.
Lafo libaax godkii Carnivore
Waxaa sidaas helay oo ku tilmaamay foomka hore ee ilaashadaan lafo kaas oo culumadu la odhan jiray libaaxa godka. The hadhaagii lafaha xoolaha ayaa la helay Asia, Europe iyo North America. Tani waxay soo jeedinaysaa in libaaxa godka ku noolaa dhul badan ka Alaska in ay u hayaamay Britain. Magaca A siiyey noocan ah, waxa ay xaq, maxaa yeelay, taas ayaana ah waxa ugu badan ee uu hadhaagii lafaha laga helay godadka. Laakiin godka ku tagay oo kaliya xoolaha oo dhaawac ah oo u dhimanaya. Live iyo ugaarsi, waxayna ka jeeclaadeen ah barxadaha furan.
History of daahfurka
Sharaxaad ugu horeysay faahfaahsan libaaxa godka la sameeyey by xayawaan Ruushka iyo paleontologist Nikolai Kuzmich Vereshchagin. In uu buugga, ayuu u sheegay in si faahfaahsan oo ku saabsan tirsanaan koox qabaa'ilka ee juqraafiga xayawaanka ee ay qaybinta, degaanka, muuqaalada cuntada, taranta iyo faahfaahin kale. Buuggan waxaa loo yaqaan "libaax godka iyo taariikhda in Holarctic iyo USSR ah" qoraal ku salaysan sannado badan oo cilmi u cabbudhinayo iyo weli waa shaqo ugu fiican cilmiyeed ku saabsan daraasadda xoolaha lafo. saynisyahano Galoarktikoy wac qayb weyn oo u Safra waqooyiga.
Description of xoolaha
libaax Cave ahaa ilaashadaan oo aad u ballaaran, oo miisaankeedu yahay ilaa 350 kiilo, height ee engegaa of 120-150 cm iyo dhererka jirka ah ee 2.5 mitir ah, marka laga reebo dabada. lugaha xoogbadane ay ahaayeen xad dheer, taas oo ka dhigaysa xoolaha ilaashadaan dheer ka. Waxa uu lahaa timo macaan oo gaaban, midabka - xitaa, monochromatic, ciid iyo cawl, oo isaga caawinayay in ay is qarin inta lagu jiro ugaarsiga ah. pelage Winter ka xaqse oo ka qabow ku badbaadiyey. Kenenisa in libaaxyo godkii aan ku jiray, sida uu ka markhaati farshaxankiisa godkii dadka heer hoose ah. Laakiin burushka on dabada joogo on sawiro badan. ilaashadaan Baydka waxyoonay Aabayaalkanno cabsi iyo argagax.
madaxa libaax godka ahaa mid weyn, oo leh daamanka awood badan. bahal lafo Dentition dibadda u muuqataa mid ah sida libaaxyo casriga ah, laakiin ilkaha ayaa weli more weyn. Laba Miciyahaiyogowsahailkaha ee daanka sare ka Garaaci in ay muuqaalka: dhererka xayawaan kasta eyda ahaa 11-11.5 cm. Dhismaha daamankiisa iyo dentition muujinaysaa si cad u sheegay in libaaxa godka ahaa ilaashadaan ah iyo xoolo aad u ballaaran laga maarmi waayay.
Degaanada iyo ugaarsiga
On farshaxankiisa dhagax weyn oo inta badan ka muujinayaa sida koox ka mid ah libaaxyada godkii eryanayn mid dhibbanaha. Tani waxay soo jeedinaysaa in bahal ku noolaa faantaa iyo ugaarsiga wadajir ku dhaqma. Falanqaynta of lafaha weli xoolaha laga helay hoygii libaaxyada godkii, waxay muujinaysaa ay kuwii weerarka deerada, elg, gisi, tours, yaks, dibi Miski iyo xayawaanka kale, kuwaasoo ku kulmay meesha this gaar ah. Ciyaan ugaadhsigooda noqon kartaa mammoths dhalinyaro ah, oo geel ah, wiyil, Hippos oo orso oo god. Qubarada ma saarayso suurogalka weeraro by bahal iyo mammoths dadka waaweyn, laakiin kaliya ku hoos jira xaalad wanaagsan ee this. Gaar ahaan on heer hoose ah dadka Cave libaax ugaadhsado. Qofka noqon kara dhibbane u ilaashadaan marka xayawaanka in uu hoy u, halkaas oo ay dadku ku noolaayeen yimid. shakhsiyaadka buka ama jir ah oo keliya inta badan fuulaya in godadka. Kalidaa, nin aan laga maarmi waayay in ilaashadaan ah, laakiin ilaalinta wadajir ah iyadoo la isticmaalayo dab badbaadin karin dadka, ama qaar ka mid ah. Kuwani libaaxyada bakhtiyeen xoog, laakiin waxaa iyaga ma badbaadin dhimasho ka gaar ah.
sababaha suuragalka ah ee eynu
dhimashada Mass iyo dabar libaaxyada god ka dhacay dhammaadka muddada ka, kaas oo saynisyahano wac Pleistocene dambe ka. Xilligan waxa ku dhowaad 10,000 oo dhamaaday sano ka hor. Ka hor inta dhamaadka Pleistocene, waxayna Noqdeen mammoths bakhtiyeen iyo xayawaanka kale, kuwaas oo hadda loo yaqaan khayraadka. Sababaha eynu libaaxyada godkii waxaa loo tixgeliyaa:
- isbedelka cimilada,
- diinta dhulka;
- hawlaha nin heer hoose ah.
Cimilada iyo muuqaalka isbedel xad yaqaano ee ku hareereysan isu libaaxyo, iyo xayawaanka on taas oo ay ku quudiyaan. Waxay waxaa loo jebiyey silsilad cuntada, taas oo keentay in eynu ku mass of geedo daaq, u diiday cuntada lagama maarmaanka ah, oo iyagaan iska daba noqday bakhtiyeen, oo bahal.
Man sida sababta dhimashada tiro xoolaha lafo muddo dheer, ma waxaa loo tixgeliyaa. Laakiin saynisyahano badan bixiyaan si ay xaqiiqada ah in dadka si joogto ah heer hoose horumariyo iyo in la hagaajiyo dareenka. Waxaa jiray cusub noocyada kala duwan ee hubka, ugaadhsiga, farsamooyinka ugaarsiga hagaagtay. nin qudhiisu wuu noqday quudin geedo daaq iyo bahal ay barteen in ay iska caabin ah. Tani waxay keeni kartaa in ay xasuuq ee fossils xoolaha, oo ay ku jiraan libaax god. Haddaba aad u ogaato nooca xayawaanka ayaa noqday bakhtiyeen sida horumarinta ilbaxnimada aadanaha.
Marka la eego saamaynta xun ee aadanaha ku saabsan nooca, version heer hoose ah lug ku lahaanshaha dadka ee ka lumay libaaxyada godkii, maanta waxa ay u muuqataa ma fantastic.
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