DINOSAURS tau tsim thiab yug li cas?

Cov txheej txheem:

DINOSAURS tau tsim thiab yug li cas?
DINOSAURS tau tsim thiab yug li cas?
Anonim
Yuav ua li cas dinosaurs reproduce thiab yug? fetchpriority=siab
Yuav ua li cas dinosaurs reproduce thiab yug? fetchpriority=siab

Dinosaurs yog cov tsiaj loj, zoo kawg nkaus uas tshwm sim tshaj 120 lab xyoo dhau los, txawm li cas los xij, tau ploj mus txog li 65 lab xyoo dhau los vim yog ntau yam kev puas tsuaj ib puag ncig. Vim li no, tib neeg thiaj tsis muaj peev xwm paub tau lawv thiab tsuas yog cov ntaub ntawv muaj nyob niaj hnub no los ntawm study of fossils nrhiav tau thiab tshawb nrhiav ntau heev.

Vim cov pob txha no tsuas khaws cov tawv nqaij ntawm cov tsiaj, xws li cov pob txha, nws tsis yooj yim sua kom nkag siab tag nrho cov dinosaurs txoj kev ua neej zoo li cas. Yog li, ib qho ntawm cov neeg tsis paub zoo yog Teb Dab Tsi Ua Haujlwm, tsis txhob ua siab deb los nyeem cov ntawv no ntawm peb tus xaib.

Dinosaur way of life

Qee pawg dinosaurs, xws li theropods, yog carnivorous thiab eded on me dinosaurs los yog lwm hom tsiaj uas twb muaj lawm. Lwm cov dinosaurs, xws li cov sauropsids, tau herbivorous thiab pub rau cov nroj tsuag lawv pom nyob rau hauv av Tseem muaj hom dinosaurs omnivorous, uas pub rau ob hom zaub thiab lwm yam tsiaj me.

Lawv yog oviparous tsiaj, uas txhais tau tias qe, uas incubated thiab tiv thaiv ib txwm. Txawm li cas los xij, qee hom tau xaiv tso tseg.

Raws li defense method, lawv siv lawv cov claws loj, lawv cov hniav ntse thiab lawv lub cev muaj zog nrog tuab thiab tawv txheej uas tiv thaiv cov tom ntawm lwm yam dinosaurs. Tsis tas li ntawd, lawv tuaj yeem nthuav tawm cov qauv tsim kev ntshai, xws li cov tails loj thiab horns.

Raws li qee qhov kev tshawb fawb, lawv tuaj yeem ncav cuag kwv yees li 30 xyoo, ua kev sib deev thaum muaj hnub nyoog 19 xyoo.

Ib txhia piv txwv nyob rau hauv herds thiab saib xyuas txhua tus hluas ua ke. Lwm tus, txawm li cas los xij, nyiam lub neej nyob ib leeg.

Xav kawm ntxiv me ntsis txog dinosaurs, peb xav kom koj nyeem Hom dinosaurs uas muaj - Cov yam ntxwv, npe thiab duab.

Yuav ua li cas dinosaurs reproduce thiab yug? - Dinosaurs txoj kev ntawm lub neej
Yuav ua li cas dinosaurs reproduce thiab yug? - Dinosaurs txoj kev ntawm lub neej

Reproduction of the dinosaurs

Vim cov theropods (pab pawg ntawm dinosaurs) yog keeb kwm ntawm cov noog niaj hnub no, ob tug tsiaj no muaj qee yam sib xws, suav nrog yuav ua li cas. ua si thiab saib xyuas koj cov menyuam.

Dinosaurs yog oviparous tsiaj thiab nthuav tawm Internal fertilization, tab sis hnub no nws tsis paub meej tias copulation li cas ntawm tus txiv neej thiab poj niam. Qhov no yog vim lub complex morphology ntawm cov tsiaj no thiab tsis muaj cov ntaub ntawv nyob rau hauv lub pob txha pob txha, txij li thaum mos qhov chaw xws li copulatory organ tsis tau pom. Txawm li cas los xij, muaj ntau lub tswv yim hais txog kev yug me nyuam ntawm cov dinosaurs, suav nrog muaj cov kav dej Cov no yog kab noj hniav, muaj nyob rau hauv cov tsiaj xws li cov tsiaj reptiles thiab noog, los ntawm kev tso zis. ua tau, tus tsiaj pov tseg raug tshem tawm thiab copulation tshwm sim. Tam sim no, kev tshawb fawb tseem tab tom ua los ntawm yuav ua li cas dinosaurs tuaj yeem tsim tau, txawm tias txhua yam qhia tau tias nws yuav yog vim kev sib haum xeeb ntawm cov cloacas thiab muaj nyob ntawm ib retractable tswv cuab nyob rau hauv tus txiv neej muaj peev xwm qhia cov phev.

Raws li qhov chaw, lub sijhawm, lub sijhawm xeeb tub thiab lwm yam, nws tsis paub meej tias lawv tshwm sim li cas. Qee cov kws tshaj lij ntseeg tias coitus tau tshwm sim nyob rau hauv dej ib puag ncig (swamps), vim tias dinosaurs hnyav heev thiab qhov no yuav ua rau muaj teeb meem kev sib deev hauv ntiaj teb. Lwm cov kev tshawb fawb kuj tau lees tias lub sij hawm incubation ntawm tus me nyuam dinosaur tuaj yeem mus txog 6 lub hlis, txawm hais tias qhov no yuav nyob ntawm hom dinosaur, thiab nws tuaj yeem loj hlob hauv lub sijhawm tsawg..

Dinosaur Qe

Dinosaurs tuaj yeem nteg nruab nrab ntawm 20 mus rau 40 qe, uas nyob nruab nrab ntawm 30 mus rau 60 cm ntev thiab lawv muab lawv tso rau hauv zes uas lawv khawb hauv av. Tom qab ntawd, lawv tau faus nrog kev pab ntawm xuab zeb, nplooj lossis lwm yam khoom muaj peev xwm tiv thaiv lawv cov tub ntxhais hluas los ntawm lwm cov dinosaurs uas xav nyiag lossis noj lawv. Qee lub sij hawm cov excavations tau qhib, yog li cov dinosaurs tau nqis peev zog kom lub plhaub ntawm cov qe muaj xim thiab tuaj yeem camouflaged hauv ib puag ncig. Nws muaj peev xwm txheeb xyuas qhov muaj nyob ntawm ntau tus dinosaur zes nyob rau tib qhov chaw, uas qhia tau hais tias cov neeg laus tau ua kev koom tes nrog kev tswj hwm tib lub sijhawm. qe nyob rau hauv pab tsiaj thiab tiv thaiv lawv.

Nyob ntawm cov qauv thiab muaj pes tsawg leeg, ib tug yuav paub qhov txawv peb hom qe:

  • Ornithoid qe: nyob rau sab qis ntawm lub plhaub yuav pom kev sib cais. Ib tug spongy, crystalline qauv tau pom nyob rau hauv lub so ntawm lub qe. Cov qe no yog ib yam ntawm theropods.
  • Spherulitic qe: lawv cov plhaub muaj ib tug kheej kheej kheej kheej crystalline qauv. Lawv raug cov sauropods.
  • Prismatic Eggs: Cov qauv zoo li tus kheej kheej kheej kheej tsuas yog tshwm sim hauv thaj tsam qis ntawm lub qe, lub sijhawm no, nyob rau sab saud lawv loj hlob. nyob rau hauv daim ntawv ntawm prisms.

Yog xav paub ntxiv txog dinosaurs, tej zaum koj yuav xav paub Vim Li Cas Dinosaurs Extinct?

Yuav ua li cas dinosaurs reproduce thiab yug? - Dinosaur Qe
Yuav ua li cas dinosaurs reproduce thiab yug? - Dinosaur Qe

Nyob Dinosaur Care

Tom qab yug me nyuam los ntawm cov qe, cov dinosaurs muaj tsawg tshaj li ib meter ntev ib txwm, vim feem ntau tsis tau loj hlob thiab muaj peev xwm mus tev. mus rau lub ntiaj teb no. Yog vim li no, lawv niam lawv txiv thiaj li mus nrhiav zaub mov thiab coj mus rau lub zes, qhov chaw lawv cia lawv cov me nyuam zais. Qhov no ua rau muaj kev phom sij ntau zaus, txij li lub sijhawm ntawd, lwm cov tsiaj nyeg dinosaurs tau siv sijhawm los pub rau cov tub ntxhais hluas uas tsis muaj kev pab yog tias tsis muaj neeg laus saib xyuas lawv.

Ntawm ntau zaus, cov me nyuam yuav tshaib plab tuag thaum lawv niam tuag thiab nws yug tsis tau lawv. Yog tias txhua yam mus zoo, cov me dinosaurs yuav loj tuaj sai sai thiab muaj kev ywj pheej.

Nws kuj ntseeg tau tias muaj hom dinosaurs uas nws cov menyuam mos hatched los ntawm lub qe loj hlobthiab tuaj yeem pib nrhiav lawv cov zaub mov. los ntawm ncaj qha yam tsis muaj kev pab ntawm niam txiv.

Pom zoo: