Jellyfish muaj lub cev mos zoo li no, nws tsis tshua muaj uas lawv ua fossilized. Nws sau cov qauv cog ob qho tib si nyob thiab fossilized. Sherman tsis tau ua raws li cov fossilized, formalized, precedent-raws li kev xav ntawm cov thawj coj tub rog yav dhau los. Raws li lub sij hawm dhau mus, tib neeg ua fossilized thiab tsis kam hloov.
Koj siv fossilized hauv kab lus li cas?
Nws yog ntses loj thiab tag nrho nws cov pob txha. Ib tug zoo-tsim stinger muaj nyob rau hauv lub fossilizedqauv. Sharks tshuav lawv cov hniav mus fossilize thaum ntxov Cretaceous. Nws cov fossilized seem tau pom ntawm cov kob ntawm Java.
Lub ntsiab lus ntawm fossilized yog dab tsi?
1: tau hloov mus ua pob txha: raug fossilization fossilized ntoo Thiab xyoo 1997 nws pom ob peb txhiab fossilized qe los ntawm ib tug loj sauropod, los yog cog-nosaur, cia li 120 mais qaum teb.
Dab tsi yog pob txha hauv ib kab lus?
Ib qho seem, kev xav, lossis kab ntawm tus tsiaj lossis cov nroj tsuag ntawm lub hnub nyoog geological yav dhau los uas tau khaws cia hauv lub ntiaj teb crust hu ua fossil. Cov ntaub ntawv los ntawm cov pob txha yog thawj qhov chaw ntawm cov ntaub ntawv hais txog keeb kwm ntawm lub neej hauv ntiaj teb.
piv txwv ntawm fossilize yog dab tsi?
Piv txwv suav nrog pob txha, plhaub, exoskeletons, pob zeb imprints ntawm tsiaj lossis microbes, cov khoom khaws cia hauv amber, plaub hau, ntoo petrified, roj, thee, thiab DNA seem. Qhov tag nrhontawm fossils yog hu ua cov ntaub ntawv fossil. … Cov qauv no feem ntau suav hais tias yog pob txha pob txha yog tias lawv muaj hnub nyoog tshaj 10,000 xyoo.
