Nws yog ib qho tseem ceeb kom nco ntsoov tias footprints yog fossilized nyob rau hauv tshwj xeeb tej yam kev mob. Vim tias feem ntau cov lem tau ua hauv cov av ntub dej, lawv feem ntau khaws cia ze ntawm lub cev dej lossis hauv thaj chaw uas muaj dej ntiav, xws li cov pas dej.
Nws siv sijhawm ntev npaum li cas rau hneev taw kom pob txha?
Fossils txhais tau tias yog cov seem lossis cov kab mob uas tuag ntau dua 10,000 xyoo dhau los, yog li ntawd, los ntawm kev txhais lub sijhawm tsawg kawg uas nws yuav siv los ua pob txha yog 10, 000 xyoo.
Dinosaur hneev taw ciaj sia li cas?
Thaum cov dinosaurs taug kev los ntawm av nkos lawv tawm hneev taw, ib yam li koj ua hauv av nkos. Sij hawm dhau mus cov hneev taw no tau ntim nrog xuab zeb lossis pebbles me me thiab nws thiaj li tawv rau hauv pob zeb. Cov hneev taw tau khaws cia tau ntau lab xyoo kom txog thaum yaig coj lawv mus rau qhov chaw uas tib neeg tuaj yeem pom lawv.
Fossilized hneev taw hu ua dab tsi?
Preserved footprints, tseem hu ua ichnites, yog hom kab mob pob txha thiab lub qhov rais rau hauv lub neej ntawm dinosaurs. Lawv tsim ib yam li peb cov hneev taw ua thaum taug kev hauv av mos zoo li av nkos.
Dab tsi tuaj yeem fossilized hneev taw qhia peb?
Fossil lem tuaj yeem qhia peb ntau yam. Lawv tuaj yeem qhia peb seb cov tsiaj txav li cas, zoo li cas thiab lawv ko taw loj npaum li cas, thiab qhov ntev ntawm lawv cov kauj ruam. Qee qhov kev taug qab kuj tseem tuaj yeem muab cov lus qhia txog tsiaj tus cwj pwm, xws li qhov chaw lawv nrhiav zaub movlos yog lawv koom ua pab pawg.
