Cov txheej txheem:
Video: Dab tsi yog cov pov thawj rau evolution?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Cov seem lossis cov kab mob ntawm cov kab mob los ntawm lub hnub nyoog geological yav dhau los embedded hauv pob zeb los ntawm cov txheej txheem ntuj hu ua pob txha . Lawv tseem ceeb heev rau kev nkag siab txog keeb kwm kev hloov pauv ntawm lub neej hauv ntiaj teb, vim lawv muab cov pov thawj ncaj qha ntawm kev hloov pauv thiab cov ncauj lus kom ntxaws txog cov poj koob yawm txwv ntawm cov kab mob.
Xav txog qhov no, plaub qhov pov thawj rau evolution yog dab tsi?
Cov ntaub ntawv pov thawj rau evolution los ntawm ntau yam sib txawv ntawm biology:
- Anatomy. Cov tsiaj txhu tuaj yeem sib koom ua ke ntawm lub cev zoo sib xws vim tias qhov tshwj xeeb muaj nyob rau hauv ib qho qub poj koob yawm txwv (homologous qauv).
- Molecular biology. DNA thiab cov noob caj noob ces cuam tshuam txog kev sib koom caj ces ntawm lub neej.
- Biogeography.
- Fossils.
- Kev soj ntsuam ncaj qha.
Ib sab saum toj no, paleontology muab pov thawj li cas rau evolution? Paleontologists hais tias hadrosaurs, duck-billed dinosaurs, nyob hauv pab tsiaj loj, piv txwv li. Lawv ua qhov kev xav no tom qab kev soj ntsuam pov thawj ntawm kev coj cwj pwm sib raug zoo, suav nrog ib qhov chaw uas muaj kwv yees li 10,000 skeletons. Fossils tuaj yeem ua tau muab pov thawj ntawm evolutionary keeb kwm ntawm kab mob.
Tom qab ntawd, ib tug kuj yuav nug, ua li cas fossils muab pov thawj rau evolution?
Cov pov thawj rau cov qauv ntawm lub neej thaum ntxov los ntawm pob txha . Los ntawm kev kawm pob txha , cov kws tshawb fawb tuaj yeem kawm paub ntau npaum li cas (lossis tsawg npaum li cas) cov kab mob tau hloov pauv raws li lub neej tsim hauv ntiaj teb. Muaj qhov khoob hauv pob txha cov ntaub ntawv vim hais tias ntau yam ntawm lub neej thaum ntxov yog mos-bodied, uas txhais tau hais tias lawv tau tshuav ob peb kab tom qab.
Lub evolutionary txoj kev xav yog dab tsi?
Cov kev xav ntawm evolution los ntawm kev xaiv ntuj tsim, thawj tsim nyob rau hauv Darwin phau ntawv "Ntawm Keeb Kwm ntawm Hom" xyoo 1859, yog tus txheej txheem uas cov kab mob hloov pauv raws sijhawm raws li kev hloov pauv ntawm lub cev lossis tus cwj pwm zoo.
Pom zoo:
Dab tsi yog qhov txawv ntawm cov pov thawj rau evolution?
Cov pov thawj rau evolution los ntawm ntau qhov chaw ntawm biology: Anatomy. Cov tsiaj txhu tuaj yeem sib koom ua ke ntawm lub cev zoo sib xws vim tias qhov tshwj xeeb muaj nyob rau hauv ib qho qub poj koob yawm txwv (homologous qauv). Molecular biology. DNA thiab cov noob caj noob ces cuam tshuam txog kev sib koom caj ces ntawm lub neej. Biogeography. Fossils. Kev soj ntsuam ncaj qha
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