Dab tsi ntawm cov kab mob feem ntau fossilized yog vim li cas?

Cov txheej txheem:

Dab tsi ntawm cov kab mob feem ntau fossilized yog vim li cas?
Dab tsi ntawm cov kab mob feem ntau fossilized yog vim li cas?

Video: Dab tsi ntawm cov kab mob feem ntau fossilized yog vim li cas?

Video: Dab tsi ntawm cov kab mob feem ntau fossilized yog vim li cas?
Video: kab mob ntsws ntawm me nyuam yaus ( Pneumonia ) " Hmong Health Education " 2024, Hlis ntuj nqeg
Anonim

Cov khoom mos yuav lwj ntau dua qhov nyuaj. Vim li no, cov fossils feem ntau yog pob txha, hniav, plhaub, thiab cov ntoo ntawm cov nroj tsuag Rau cov pob txha tsim, cov kab mob yuav tsum tau faus sai sai kom cov pa tawm mus. thiab nws txoj kev lwj qeeb qeeb lossis nres.

Dab tsi ntawm cov kab mob feem ntau yuav raug fossilized?

Thaum muaj kab mob faus sai sai, muaj kev lwj tsawg dua thiab qhov zoo dua rau nws khaws cia. Qhov nyuaj ntawm cov kab mob, xws li cov pob txha, plhaub, thiab cov hniavmuaj feem zoo dua los ua pob txha ntau dua li cov khoom softer. Ib qho laj thawj rau qhov no yog cov neeg khib nyiab feem ntau tsis noj cov khoom no.

Dab tsi ntawm tus tsiaj feem ntau dhau los ua pob txha?

Yuav luag tag nrho cov kab mob muaj sia tuaj yeem tawm pob txha, tab sis feem ntau tsuas yog qhov nyuaj ntawm cov nroj tsuag thiab tsiaj fossilize. Cov nqaij mos hauv nruab nrog cev, cov leeg, thiab daim tawv nqaij sai sai thiab tsis tshua muaj kev khaws cia, tab sis cov pob txha thiab cov plhaub ntawm cov tsiaj yog cov neeg sib tw zoo rau fossilization.

Lub cev lub cev tuaj yeem ua pob txha?

Lub cev tib neeg lub cev uas tuaj yeem ua pob txha yog lub cev pob txha. Fossils yog cov seem ntawm cov kab mob yav dhau los.

Qhov twg hauv qab no feem ntau yuav khaws cia hauv cov ntaub ntawv pob txha?

Qhov twg ntawm cov kab mob feem ntau yuav raug khaws cia ua pob txha thiab yog vim li cas? Ib qho nyuaj ntawm cov kab mob feem ntau tawm ntawm cov pob txha. Cov khoom nyuaj no suav nrog pob txha, plhaub, hniav, cov noob, thiab cov kab ntoo. Cov khoom mos lwj sai sai lossis raug tsiaj noj.

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