Cov kab mob dab tsi los yog cov ntaub so ntswg feem ntau khaws cia ua pob txha?
Cov kab mob dab tsi los yog cov ntaub so ntswg feem ntau khaws cia ua pob txha?

Video: Cov kab mob dab tsi los yog cov ntaub so ntswg feem ntau khaws cia ua pob txha?

Video: Cov kab mob dab tsi los yog cov ntaub so ntswg feem ntau khaws cia ua pob txha?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
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Lub cev pob txha suav nrog khaws cia seem ntawm ib kab mob (xws li khov, ziab, petrification, permineralization, kab mob thiab algea). Raws li kab pob txha yog cov cim qhia tsis ncaj ntawm lub neej uas muab pov thawj ntawm cov lub cev muaj nyob (piv txwv li footprints, burrows, trails & lwm yam pov thawj ntawm lub neej txheej txheem).

Kuj tseem paub yog, hom kab mob dab tsi lossis cov ntaub so ntswg feem ntau khaws cia ua cov yeeb yaj kiab carbon?

Vim carbon films yog feem ntau sab laug los ntawm cov qauv khaws cia Nyob rau hauv lub cev ntawm dej, feem ntau fossils yog ntses, crustaceans, thiab nplooj.

Tsis tas li ntawd, dab tsi yog qee txoj hauv kev uas cov kab mob tuaj yeem khaws cia ua pob txha? Fossils daim ntawv nyob rau hauv tsib txoj kev : kev khaws cia ntawm thawj seem, permineralization, pwm thiab casts, hloov, thiab compression. Pob zeb formations nrog tshwj xeeb pob txha hu ua tseem ceeb heev rau cov kws tshawb fawb los kawm. Lawv cia peb pom cov ntaub ntawv hais txog kab mob kom peb yuav tsis paub lwm yam.

Ua li no, yam kab mob twg feem ntau yuav raug khaws cia ua pob txha?

Cov txheej txheem ntawm fossilization yog complex nrog ntau theem ntawm faus mus rau discovery raws li ib tug pob txha . Kab mob nrog rau qhov nyuaj xws li lub plhaub pob zeb, zoo li trilobite lossis ammonite, muaj ntau dua tej zaum ua fossilized tshaj cov tsiaj uas tsuas muaj qhov mos mos xws li jellyfish lossis worms.

Dab tsi yog khaws cia cov fossils?

A khaws cia fossil , kuj hu ua "tseeb form pob txha , "yog ib qho seem tsis tu ncua, los yog ze li qub, vim yog txoj kev uas nws yog fossilized . Khaws pob txha tsis tshua muaj; feem ntau pob txha raug kev puas tsuaj los ntawm huab cua thiab sedimentation ua ntej lawv pom.

Pom zoo: