Dinosaurs yog cov tsiaj uas muaj zog ntawm cov chaw nyob hauv lub ntiaj teb ntau lab xyoo dhau los. Cov no sawv cev rau ib pab pawg neeg sib txawv heev, ob qho tib si los ntawm qhov kev xav ntawm taxonomic thiab los ntawm cov yam ntxwv uas lawv muaj. Yog li, lawv tshwm sim los ntawm cov tib neeg uas tsis ncav cuag ib qhov siab ntawm qhov siab mus rau cov uas ntsuas ib ncig ntawm 30 meters.
Txoj kev noj dinosaurs kuj txawv ntawm ib hom mus rau lwm tus. Ua li no, muaj cov neeg uas tau noj zaub mov noj, muaj cov tsiaj nyeg thiab cov uas noj ob hom zaub mov nyob. Peb caw koj los nyeem tsab xov xwm no hauv peb lub vev xaib kom koj tuaj yeem kawm txog omnivorous dinosaurs, yam ntxwv thiab piv txwv
Puas muaj omnivorous dinosaurs?
Thaum nug seb puas muaj omnivorous dinosaurs, cov lus teb yog: Yog, muaj Fossil pom tau tso cai rau dinosaurs rau cov kws tshawb fawb. muaj peev xwm paub thiab txheeb xyuas ntau yam yam ntxwv uas tsiaj muaj, thiab cov dinosaurs tsis muaj qhov tshwj xeeb rau qhov no, txawm tias nws nyuaj npaum li cas los ntawm ntau qhov xwm txheej vim cov qauv pom.
Txawm li cas los xij, qhov seem ntawm lub cev petrified ntawm cov tsiaj ntxim nyiam no tau muab cov ntaub ntawv tseem ceeb thiab, nyob rau hauv qhov no, nws paub tias qee yam tsiaj muaj noj nrog rau lwm yam. tsiaj tab sis kuj rau cov nroj tsuag, yog li lawv txhais tau tias yog omnivorous dinosaurs.
Txheej xwm ntawm omnivorous dinosaurs
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias txoj kev tshawb fawb ntawm dinosaurs yog thaj chaw uas yog kev nce qib nrog kev nce qib hauv kev tshawb fawb Qee zaum qhov zoo. uas tau xav rau ib hom tsiaj no tsis tig los ua li ntawd. Yog li ntawd, yuav tsum nco ntsoov tias tsis muaj qhov tseeb lossis qhov tseeb ntawm qhov no.
Tom ntej no, peb tawm tswv yim txog qee yam ntsig txog cov yam ntxwv ntawm omnivorous dinosaurs:
- Ib tug tseem ceeb ntawm cov tsiaj uas tau piav txog tam sim no yog tus cwj pwm los ntawm being bipedal, uas yog, lawv tsiv tsuas yog txhawb nqa los ntawm sab qis., thiab taxonomically lawv sib raug rau cov pab pawg ntawm theropods. Xav paub ntau ntxiv txog Bipedal Tsiaj: piv txwv thiab yam ntxwv, ntawm no.
- Nyob hauv ntau hom forelimbs siv rau ntau yam dej num, thiab zaub mov yog ib qho ntawm lawv. Tab sis nws tsis yog qhov tseeb, lwm tus muaj cov qauv elongated.
- The poj koob yawm txwv theropods raug suav hais tias yog cov tsiaj txhu nruj heev, txawm li cas los xij, tam sim no paub tias hauv qee hom muaj yoog raws li kev noj haus , uas suav nrog facultative herbivores, yog li lawv yog omnivores.
- Qee zaum, cov hniav ntawm omnivorous dinosaurs tau me me thiab tsis zoo li serrated.
- Lawv feem ntau yog small to mediumsizes, tab sis muaj qee qhov kev zam.
- omnivorous dinosaurs yuav tsum tsis txhob muaj cov hniav tshwj xeeb ntawm cov nqaij tawv nqaij kom tearing nqaij, los yog lub plab zom mov ntev ntawm cov zaub ntsuab rau kev ua thiab zom cov nroj tsuag. Yog li anatomically and physiologically were nraug carnivores thiab herbivores
- The muaj peev xwm ceev is a trait present in various omnivorous dinosaurs.
- The nyob rau hauv uas cov hniav me me tuaj yeem tshwm sim los yog tsis tuaj, uas qhia tau tias cov tsiaj nyeg yog qhov me me.
omnivorous dinosaurs noj dab tsi?
Kev noj zaub mov ntawm omnivorous dinosaur yog yoov tshaj cum thiab varied tshaj li cov carnivores los yog herbivores tshwj xeeb. Hauv qee hom tsiaj uas tau muab cais ua omnivorous, cov seem ntawm gastroliths tau pom, uas yog cov pob zeb me me siv los ntawm cov tsiaj txhu uas tau pab lawv zom cov zaub mov noj ib zaug. Omnivorous dinosaurs noj:
- Mam me me.
- Small reptiles.
- Kab.
- Nqaij ntses.
- Eggs.
- Nroj tsuag: xws li cycads, conifers lossis ferns, thiab lwm yam.
- Fruits.
Types of omnivorous dinosaurs
Nov yog ib co piv txwv ntawm omnivorous dinosaurs:
Tail Feather (Caudipteryx)
Nyob hauv genus no peb pom dinosaurs heev zoo ib yam li noog: lawv cov seem tau pom nyob rau Suav teb. Lawv tsiv bipedally, cov hniav tsis muaj zog, ntse thiab taw rau pem hauv ntej, tsuas yog nyob rau hauv pem hauv ntej cheeb tsam ntawm lub puab tsaig sab sauv. Cov seem ntawm gastroliths tau pom nyob rau hauv lub gizzard. Kwv yees tias nws pub rau kab thiab nroj tsuag
Hmoob Tes (Deinocheirus)
Nov yog ib tug dinosaur pom nyob rau hauv Mongolia, tshwj xeeb tshaj yog nyob rau hauv cov pab pawg neeg ntawm omnivores, raws li nws mus txog ib ncig ntawm 10 meters nyob rau hauv ntev. Nws yog bipedal, nrog forelimbs nrog cov claws loj Nws muaj ib daim nqi zoo ib yam li cov os, hais tias foraged rau zaub mov hauv hauv av los yog dejNws kuj kwv yees tias nws qhov tom tsis muaj zog, nrog lub puab tsaig downward-sloping U-shaped puab tsaig, feem ntau nyob rau hauv facultative herbivores.
NOJ QAB HAUS Txawm tias koj yuav nyiam noj ntawm lwm hom ntawm cov tshuaj ntsuab dinosaurs.
Emu mimic (Dromiceiomimus)
No genus ntawm omnivorous dinosaur tau pom nyob rau hauv Canada, thiab tau muaj kev tsis sib haum xeeb txog nws. Nws yog ib tug biped ntawm txog 3.5 meters thiab txog 100 kg Nws zoo li yuav tsum tau heev zoo ib yam li ostriches tam sim no, tab sis tsis muaj plumage, txawm tias nws tsis tau txiav txim siab tias nws muaj qee yam. Nws muaj ib tug beak horny thiab tejzaum nws pub rau kab, lwm yam tsiaj thiab nroj tsuag.
Qe Thief (Oviraptor)
Pom nyob rau hauv Mongolia, qhov no theropod dinosaur tsis loj, yog li 2 meters ntev thiab hnyav ib ncig ntawm 20 kg. Lub puab tsaig tau nkhaus, kwv yees tias nws muaj zog los tsoo cov zaub mov tawv. Nws muaj
Ostrich mimic (Struthiomimus)
No dinosaur yog ib tug biped ntawm txog 150 kg thiab 4 meters nyob rau hauv dimension, uas tau pom nyob rau hauv Canada. Muaj kev sib tham txog cov khoom noj uas nws tau noj, txawm li cas los xij, qee yam ntawm lub cev xws li nws cov beak horny nrog cov npoo ncaj thiab tsis muaj hniav, qhia tias nws tau noj cov nroj tsuag thiab tsiaj txhu.
Prickly Tooth (Echinodon)
Cov genus sib haum mus rau me me dinosaur pom hauv tebchaws Askiv. Nruab nrab nruab nrab ntawm 60 thiab 90 cm ntevMuaj kev sib cav txog seb nws puas yog herbivore lossis omnivore. Txawm li cas los xij, hom kev noj zaub mov zaum kawg no tau txais los ntawm lub hauv paus uas lawv cov canines thiab premaxillae tsis muaj qhov hnav ntawm cov khoom noj tshwj xeeb ntawm cov nroj tsuag.
