Video: Kev sib cais ntawm thaj chaw yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Kev sib cais ntawm thaj chaw yog lub tswv yim ntawm kev khaws cov ntaub ntawv tseem ceeb (piv txwv li, thaub qab) nyob rau hauv ob qhov chaw, ib qho ntawm cov nyob sab nraud ntawm lub cev ntawm cov chaw tseem ceeb uas cov ntaub ntawv feem ntau khaws cia, thiab nyiam dua nyob rau hauv qhov sib txawv kiag li. thaj chaw cheeb tsam.
Kuj paub yog, txhais li cas los ntawm kev cais thaj chaw?
Geographic cais tawm yog ib lo lus uas hais txog cov pejxeem ntawm cov tsiaj, nroj tsuag, lossis lwm yam kab mob uas sib cais los ntawm kev sib pauv cov khoom siv caj ces nrog lwm cov kab mob ntawm tib hom. Feem ntau kev cais ntawm thaj chaw yog qhov tshwm sim ntawm kev huam yuaj los yog coincidence.
Tom qab ntawd, lo lus nug yog, qhov kev cais ntawm thaj chaw yog dab tsi muab piv txwv? Cov pej xeem tuaj yeem sib cais los ntawm cov dej ntws, roob, lossis lub cev dej. Ib qho zoo nkauj piv txwv ntawm kev cais ntawm thaj chaw yog ib haiv neeg tsiv teb tsaws chaw mus rau ib lub koog pov txwv thiab tau sib cais los ntawm cov pej xeem hauv av loj. Nyob rau tib lub sijhawm, ob pawg neeg tau ua menyuam yaus cais thiab lawv evolve nyias.
Kuj paub, qhov kev cais thaj chaw nyob li cas?
Cov kev cais ntawm thaj chaw yog lub cev sib cais ntawm ob haiv neeg los ntawm cov thaj chaw kev thaiv. Qhov no tshwm sim los ntawm kev hloov pauv hluav taws xob thiab allopatric speciation. Kev yug me nyuam muab cais nyob ib leeg yog kev sib cais ntawm ob haiv neeg ntawm tib hom, tiv thaiv interbreeding thiab zus tau tej cov me nyuam fertile.
Lwm lub npe rau kev cais thaj chaw yog dab tsi?
(Allo = Lwm, Patric = Lub Tebchaws) Kev tsim ntawm ib hom tshiab vim kev cais thaj chaw . Lwm lub npe rau Geographic kev tshwj xeeb.
Pom zoo:
Qhov txawv ntawm kev sib txuas thiab kev sib cais yog dab tsi?
Thaum ob nqe lus ua ke nrog 'thiab,' koj muaj kev sib txuas. Rau kev sib txuas, ob nqe lus yuav tsum muaj tseeb rau cov lus sib xyaw kom muaj tseeb. Thaum koj ob nqe lus ua ke nrog 'los yog' koj muaj kev tsis sib haum xeeb
Dab tsi yog qhov kev sib raug zoo ntawm thaj chaw saum npoo thiab ntim ntawm lub voos xwmfab?
Rau qhov cubes me dua qhov no, thaj chaw saum npoo yog ntau dua piv rau qhov ntim ntau dua li nws nyob hauv qhov loj dua (qhov ntim ntau dua piv rau thaj chaw saum npoo). qhia meej meej tias raws li qhov loj ntawm ib yam khoom nce (tsis hloov pauv), qhov piv txwv no txo qis
Dab tsi yog lub tswv yim ntawm kev txhawb nqa ntawm kev sib cais ntawm kev sib deev?
Kev txhawb zog yog cov txheej txheem los ntawm kev xaiv ntuj tsim kom muaj kev sib cais ntawm kev sib deev. Kev txhawb zog tuaj yeem tshwm sim raws li hauv qab no: Thaum ob pawg neeg uas tau khaws cia sib nrug, rov qab los rau hauv kev sib cuag, qhov kev sib cais ntawm cov menyuam yaus yuav ua tiav lossis tsis tiav. Yog tias nws ua tiav, speciation tau tshwm sim
Dab tsi yog thaj chaw temperate hauv thaj chaw?
Ib feem ntawm lub ntiaj teb saum npoo nyob nruab nrab ntawm lub tropic ntawm Cancer thiab lub Arctic vajvoog nyob rau hauv Northern Hemisphere los yog nruab nrab ntawm lub tropic ntawm Capricorn thiab lub Antarctic vajvoog nyob rau hauv lub yav qab teb Hemisphere, thiab characterized los ntawm muaj ib tug huab cua sov nyob rau hauv lub caij ntuj sov, txias nyob rau hauv lub caij ntuj sov. lub caij ntuj no, thiab nruab nrab nyob rau hauv lub caij nplooj ntoos hlav thiab
Dab tsi yog qhov kev sib raug zoo ntawm thaj chaw saum npoo thiab ntim ntawm ib lub sphere?
Rau ib tug kheej kheej, qhov chaw saum npoo yog S = 4 * Pi * R * R, qhov R yog lub vojvoog ntawm tus kheej thiab Pi yog 3.1415 Qhov ntim ntawm ib puag ncig yog V = 4 * Pi * R * R * R / 3. Yog li rau ib tug kheej kheej, qhov sib piv ntawm thaj chaw rau ntim yog muab los ntawm: S / V = 3 / R