Abin da shi ya herbivorous dinosaur

images of da "shekaru dinosaur" wahayi zuwa gare ta fina-finai ta tabbatar mana da cewa wani saran adadin wadannan kadangaru ne dabbobi masu cin nama. Duk da haka, ko da wani asali sanin ilmin halitta, sun tambaye wannan ra'ayi. A yau yanayi ya ciyar gwada da kananan yawan dabbobi masu cin nama, herbivores lambar ya zama fiye da 'yan sau - ko da yara kawai mutu da yunwa. An misali ne yankin inda akan rage alƙarya da herbivorous jinsunan fara m asarar da yara.

Shi ne da wuya cewa halin da ake ciki ya daban-daban a cikin kwanaki na giant kadangaru. Ko da yake mafi m, a cikin movie kama, misali, da hari mugun predator, bãbu shakka cewa jinsunan herbivorous dinosaur sun fi bambance bambancen da kuma mafi yawa daga gare da "al'umma" na yara.

Kurakurai a cikin suna

A general, da kurakurai dangantawa da dinosaur yawaita. Wannan ba abin mamaki: suka rayu tun kafin bayyanar mutãne, abin dogara da shaida game da su - akan burbushin halitta bincike, don haka ka kamata ya ma har yanzu daidai bayyana abin da ya ga! Ko da a cikin kimiyya sunan da ya fi shahara (mafi yawa saboda baba misali rabbai) na wadannan dinosaur - sauropods - An kwantar da kuskure. Tare da Latin sunan fassara a matsayin "dinosaur lizard kafafu." A wannan yanayin da wadannan kafafu kusa da dabbobi giwa wata gabar jiki, kamar yadda sun kasance wuya sosai don canja wurin gawa - daga 10 zuwa 40 ton. Duk da haka, da sunan makale.

Ko da sunan "herbivore" dinosaur cancanci ba kowane wakilin tsoho fauna. Sai mafi yawansu suka sãɓã wa jũna ba yana nufin a cikin kananan size, don haka da cewa, a maimakon haka, wadannan Refayawa suka drevoyadnymi, a cikin matsanancin - herbivorous. Su ciyawa, a maimakon haka, zai iya ba ko da sa fita tare da m ba ga tsawo.

Iri-iri masu girma dabam

Kamar yadda dinosaur "mulki na duniya" domin da miliyoyin shekaru, "breeds" na herbivorous dinosaur ba Yunƙurin zuwa yawa. Wasu mutane su sani more, wasu - kasa. Girman wadannan dabbobi ma bambanta ƙwarai. Dinosaur-Dwarf mai suna Gesperonikus Elizabeth ya rabin mita tsawo da kuma auna kasa da wata cat - biyu kilo. A na biyu wuri a kan minimalism - Compsognathus, uku cikin hudu na mita tsawo da kuma yin la'akari uku kilo. Ya kamata a lura, duk da haka, da cewa biyu "Dwarf" yana nufin da yara, ko da yake ciyar daban-daban kananan dabbobi.

Sanadin gigantism da kuma siffofi da waje tsarin

Amma wani talakawan herbivorous dinosaur kawai daban-daban kamar yadda giant rabbai. Wannan ba abin mamaki: a wancan zamani da surest hanya don kare kansu daga harin carnivore tsokana. Da fari dai, lokacin da irin wannan girma ba wani predator doprygnet to muhimmanci gabobin. Abu na biyu, da wutsiyoyinsu m batons, da kyau-da nufin duka wanda fariyar a amince tsokana. A cikin uku wuri, a irin wannan sikelin, akwai iya zama ƙarin makamai da kuma makamai - .. ƙahonin, m faranti, da dai sauransu huxu, duk iri herbivorous dinosaur sun garke, dabbobi, wanda ƙara musu chances na rayuwa. Duk da haka, gregarious kuma live yau ba yara.

Bugu da kari, shuka-cin dinosaur ya juyin halittar wani kara bonus: babban mataki da aka located in kwakwalwa ba a kai, da kuma a cikin sacrum. A kadan adadin "m al'amarin," a cikin kwanyar bauta wa yafi ga iko idanu. Amma da sacral igiyar ya 20 sau fiye da ke da alhakin sauran. A sakamakon sauropods sãɓã wa jũna sosai kadan kwanyar, wanda aka tabbatar da tono da kuma kwatanta siffofin herbivorous dinosaur.

Yawan jinsunan - sakamakon wadata

Masana kimiyya sun gano cewa mai girma iri-iri iri na herbivorous dinosaur ne ya bayyana da cewa ba su zoba, "ciyar zone". Kowace daga sauropods fĩfĩta ta rage cin abinci. Ko da suna grazed a kan daya irin ciyayi, da wasu fi so rassan daga treetops, da kuma wasu (mafi suna fadin size) cinye girma ko fern a kafar. Haka kuma, wasu daga cikin dinosaur ci daya kawai irin itace, abin da gusar gasar.

Mafi shahara herbivorous dinosaur, waɗanda sunayensu suke saba ma ga yara, da suke zaune yafi a cikin Jurassic da kuma Cretaceous lokaci. Daga gare su, Brachiosaurus, Iguanodon, Diplodocus da Stegosaurus. Dukan su - Refayawa, amma da fari burbushin halittu sa Argentinosaurus. Da shi shi ne mafi girma a shuka-cin dinosaur, wanda wani lokacin wuce nauyi na 60 ton. Na biyu wuri ke Brachiosaurus tare da wani nauyi na 50,000 kilo.

Transfiguration da yara

Rarraba na "predator - herbivorous dinosaur", m da zamani dangantaka carnivorous da herbivorous, ya tabbatar da yin nazari na Chicago masu bincike, wanda ya gano cewa, yawancin tselurazavrov ko sun herbivorous, ko bullo da su daga yara. Yana nuna mai kyau ikon daidaita, wanda ya halayyar da dinosaur - aka bai isa ba dabba abinci, suna "retrained" to mai cin ganyayyaki. Yana da ban sha'awa cewa a cikin aiwatar da canji, da yawa daga cikinsu sun rasa hakora da kuma sauran hakora da kuma fuskar aka canza kama zuwa wani baki.

Wani sabon nau'in shuka-cin dinosaur

Zai ze cewa binciken na sauropod an faruwa ga fiye da karni biyu, dole ne mu riga da za a samu duk adibas na dinosaur a Duniya. Duk da haka, masana binciken burbushin halittu har yanzu abin mamaki binciken.

Penn masana kimiyya daga 1998 zuwa 2000, baya iske ba bayyana dinosaur, wanda aka bai wa sunan Suuwassea emilieae. An zaci cewa shi ya kasance wani "zumunta" Diplodocus. Masu bincike, duk da haka, suna riga sosai sha'awar da gyara na sauropod ƙafafunsa, wanda za a iya gani a kan kasũsuwa, ashe, kazalika da m rami a ragargaje. A baya can, wadannan ramuka da aka samu a duk uku jinsunan dinosaur.

Saboda haka har yanzu akwai wata tatsuniya shirya kai dadaddun kadangaru da wani mataki yana da yet masana kimiyya.