Enye yezizathu ezichaza ukuthi kungani ukufunda ama-dinosaurs kungumdlalo omnandi kangaka ukuthi kuncane kakhulu okwaziwayo ngabo. Ngakho-ke, ungahlala wenze uhlobo oluthile lokutholwa, futhi okutholakele kungafihlwa emhlabathini ngaphansi kwezinyawo zethu.
Kuyaziwa ukuthi ama-dinosaurs, kufaka phakathi i-stegosaurus, abeka amaqanda ambalwa amancane kwizimbobo ezingashoni ezembiwe emhlabathini. Bamboza amaqanda ngesihlabathi ukuze imisebe yelanga ibashise. Amathole asanda kuzalwa akhula ngokushesha okukhulu, ngaleyondlela kugwema isiphetho sokuba inyamazane elula.
Ngesikhathi sokuzivikela kubahlaseli, amawundlu afakwa enkabeni yomhlambi. Njengoba i-stegosaurus kwakuyisilwane sezinkomo, abesilisa balwela ilungelo lokuthatha umfazi futhi babe ngumholi womhlambi. Ezimweni ezinjalo, ama-herbivores enza imisindo ebabayo futhi akhombise amandla awo kwamanye amadoda, kepha ungangeni empini evulekile.
Izitha
Ama-stegosaurus athanda ukuthula ayevama ukuba izisulu zokudliwayo, njenge-tyrannosaurus eyingozi.
I-stegosaurus kungenzeka ihambe kancane futhi ingavikeleki, ikakhulukazi lapho ihlasela isuka ohlangothini futhi izungeze imilenze. Wayephuza futhi ngenxa yalokho wayengeke abalekele izitha ezazizingela. Wazivikela, ngokungazelele washaya umhlaseli ngomsila owambozwe ngotshani. Isipikili ngasinye esinqeni sasicishe sibe yi-1 m ubude. I-stegosaurus yayinamabili amabili.
Ezinye izinhlobo ezihlobene ne-stegosaurus zazinamabili amane omgogodla. Izikhala zazicekeleke phansi ngokwanele futhi zingalimaza kakhulu isitha uma zingawela emkhakheni lapho zingafinyelela khona.
AMANOTHI OKUQONDA. ISIHLOKO
I-stegosaurus ngeyama-dinosaurs, lawo ngemuva anomugqa ophindwe kabili wamapuleti amathambo asendaweni yomgogodla.
Kunemibono eminingi ezama ukuchaza inhloso yamapuleti, ephakeme kakhulu yawo engama-60 cm ukuphakama. Abanye bathi amapuleti ayedingeka ukuzivikela. Ngokusho kweminye imibono, basebenza ukulawula izinga lokushisa.
Uma amapuleti embozwe ngesikhumba ngemithambo yegazi eminingi, ke, baphendukela elangeni, bangasisebenzela isilwane ukushisa umzimba, futhi lapho bebekwa emthunzini, bapholisa umzimba.
Ekupheleni komsila, i-stegosaurus yayinezikhala ezine, okusobala ukuthi yayizisebenzisela ukuzivikela.
I-stegosaurus kwakungeyona eyama-dinosaurs amakhulu kunawo wonke, noma kunjalo, ubude bawo bomzimba bufika kumamitha ayi-9. Amaphethelo ngaphambili ayemafushane kunamanyoka asemuva, ngakho-ke i-stegosaurus yathutha, incike phambili ngokuqinile.
Ikhanda le-stegosaurus lincane kakhulu, lingaba amasentimitha angama-45 ubude, futhi lacishe lathinta umhlabathi. Ingqondo yakhe nayo yayincane ngosayizi - yayizi-3 cm kuphela.
LAPHO I-STEGOSAUR EBephila IDINOSAUR
UStegosaurus waphila iminyaka engaphezu kwezigidi eziyi-170 ezedlule ezwenikazi lakudala lapho iNorth America yakha khona lapho.
Ngaleso sikhathi, kwakufudumele isimo sezulu esifudumele, cishe sase-tropical - esilungele ama-dinosaurs we-herbivorous njenge-stegosaurus. Izimila ezazikhula kulelizwekazi, ekuqaleni zibukeka zifana nehlathi lesimanje elishisayo, kepha izinhlobo zezitshalo zanamuhla zazingekho ngaleso sikhathi. Ngakho-ke, kwakungekho zitshalo eziqhakazayo. Yonke indawo, eduze kwamafern nama-conifers, kwakukhula izihlahla zesundu zasendulo, ezazibukeka njengezanamuhla.
UKUFINYELELA KULWAZI. UNYAZI LOKHO.
- ENtshonalanga Yurophu, kutholakala izinsalela zesidumbu sesihlobo somfishi.
- Ngokusobala, ama-stegosaurs aphile isikhashana esikhathini se-Jurassic. Izinsalela zala ma-dinosaurs zitholakala kuphela ezingxenyeni ezingaphezulu zamatshe.
- Ezinye izidalwa zanamuhla zifana namakhophi amancane ama-dinosaurs aqothulayo ekubukekeni kwawo.
- Isibungu, esihlala e-Afrika, sinamakhanda ekhanda nasemzimbeni ofana nalawo okuyi-stegosaurus. Kodwa-ke, leli lizard lincane izikhathi ezingama-60 kune-stegosaurus, futhi ubude balo bufika kuma-60 cm kuphela.
IZIPHUMA ZESIFUNDO SE-STEGOSAUR
Amapuleti e-Dorsal: uhambe ukusuka ekhanda kuye kwesinye isicubu somsila. Kunemibono eminingi echaza inhloso yabo, kufaka phakathi eyodwa ekhomba ukuthi basebenza ukulawula ukushisa komzimba.
Ikhanda: omncane uma uqhathaniswa nomzimba omkhulu. Brain usayizi we-walnut.
Ukubikezela: amafushane kakhulu kunasemuva, enzelwe ukuhamba.
Imilenze yezandla: uqine, uyakwazi ukuthwala isisindo somzimba wonke wesilwane.
- I-Habitat ye-stegosaurus
LAPHO FUTHI LAPHO KUKHONA USEGOSAUR
I-dagosaurus dinosaur yayihlala enkathini ngasekupheleni kwe-Jurassic eminyakeni eyizigidi eziyi-170 edlule eNyakatho Melika. Imisuka yakhona itholakala ezifundeni zaseColorado, Oklahoma, Utah naseWyoming. Imvamisa elandelwa i-stegosaurus itholakala ngamanani amakhulu futhi inwebeka amakhilomitha amaningi. Amanye amalungu omndeni wakwa-stegosaurus ayehlala ezindaweni ezinjenge-Western Europe, i-East Asia, kanye ne-East Africa.
Imininingwane yesakhiwo somzimba
Le dayinaso yayinesivikelo esihle kakhulu; ukukhula okuqinile kwethambo kwakukhona kuwo wonke umzimba, kuvikela ngokuphelele umphimbo wayo, imilenze nomzimba.
Ngasemuva kunemigqa emi-2 yamapuleti asayizi ahlukahlukene, amapuleti amakhulu kakhulu akhula aba yi-1m. Zazingaqinile isikhathi eside futhi zazisetshenziselwa ukwesabisa kakhulu kunokuvikela. Lapho kuvela isitha, amapuleti ayependwe obomvu (umbala wobungozi), owesabisa izinyamazane, futhi asize ukuncintisana nabesifazane nabanye abesilisa balolu hlobo. Ngaphezu kwalokho, amapuleti e-dorsal kwakuyi-thermostat eqongelela ukushisa futhi isuse okweqile kwayo.
Kepha emsileni kwakukhona izikhala ezibukhali impela, zenza umsila wesiteleka, wayekwazi ukumangalisa umhlaseli wakhe aze ambulale. Inani le-spikes enjalo lingaba yizicucu ezi-4, futhi ubude bazo babuqala ku-70 cm bufika kumitha eli-1.