Ib tsob ntoo yog ib qho khoom muaj nqis zoo kawg nkaus muab rau tib neeg los ntawm qhov xwm txheej

Cov txheej txheem:

Ib tsob ntoo yog ib qho khoom muaj nqis zoo kawg nkaus muab rau tib neeg los ntawm qhov xwm txheej
Ib tsob ntoo yog ib qho khoom muaj nqis zoo kawg nkaus muab rau tib neeg los ntawm qhov xwm txheej

Video: Ib tsob ntoo yog ib qho khoom muaj nqis zoo kawg nkaus muab rau tib neeg los ntawm qhov xwm txheej

Video: Ib tsob ntoo yog ib qho khoom muaj nqis zoo kawg nkaus muab rau tib neeg los ntawm qhov xwm txheej
Video: Saib Mis paub Poj niam (hluas nkauj) tus yam ntxwv lub siab 2024, Tej zaum
Anonim

Ib tsob ntoo yog ib qho txuj ci tseem ceeb ntawm xwm. Yog tias tsob ntoo no tsis tau tshwm sim, ces peb lub ntiaj teb yuav tsis tau dhau los ua qhov peb tau pom. Thiab lub neej nws tus kheej yuav tsis muaj nyob li ntawd, vim hais tias nws yog ntoo uas tsim oxygen, uas yog li tsim nyog rau kev loj hlob ntawm ntau yam kab mob.

Tab sis tus neeg twg paub txog tsob ntoo? Nws kawm tau zoo npaum li cas, nws cov khoom, hom thiab cov txheej txheem ntawm kev yug me nyuam? Koj puas paub vim li cas ntau tsob ntoo poob lawv nplooj thaum lub caij nplooj zeeg? Thiab dab tsi puzzles cov kws tshawb fawb txawm niaj hnub no?

tsob ntoo
tsob ntoo

tsob ntoo yog dab tsi?

Txawm tias cov tub ntxhais kawm qib pib yuav tsum paub cov lus teb rau lo lus nug no, vim tias qhov no yog cov ntaub ntawv los ntawm cov ntaub ntawv kawm theem pib. Ib tsob ntoo yog hom nroj tsuag perennial, ib qho tshwj xeeb ntawm uas yog qhov muaj lub cev tawv. Nyob rau tib lub sijhawm, xyoo dhau los, nws tsuas yog nce qhov loj, thiab tsis tuag thaum kawg ntawm txhua lub caij.

Nceev hlob yuav luag txhua qhov chaw, tshwj tsis yog Antarctica thiab qee thaj chaw suab puam. Dab tsi yog qhov tseeb, txawm tias nyob rau hauv qhov kub tshaj plaws ntawm lub ntiaj teb, npog nrog cov xuab zeb kub, tsis muaj sia, koj tuaj yeem pom cov oases secluded nrog lush.loj hlob xibtes thiab laurels.

Feem ntau, hom nroj tsuag no feem ntau muab faib ua ob hom loj: coniferous thiab broad-leaved.

Raws li koj tuaj yeem twv los ntawm lub npe, tsob ntoo coniferous yog ib qho uas muaj ntau hom koob thiab nplai es tsis txhob nplooj. Spruces, pines, cypresses thiab firs yog cov piv txwv ntawm cov qoob loo zoo li no. Nyob rau tib lub sijhawm, feem ntau conifers yog hom evergreen.

ntoo nyob rau lub caij nplooj zeeg
ntoo nyob rau lub caij nplooj zeeg

Broad-leaved, ntawm qhov tsis sib xws, muaj cov nplooj nyias nyias ntawm qhov kawg ntawm cov ceg. Nyob rau tib lub sijhawm, lawv cov duab, nyob ntawm seb hom ntoo tshwj xeeb, tau hloov kho zoo heev. Feem ntau, lawv lub ntsej muag ib leeg tuaj yeem qhia tau tseeb tias lawv yog cov nroj tsuag twg.

Tsis tas li ntawd, ib tug neeg raug xaiv rau hauv chav kawm cais cov ntoo uas tuaj yeem ua rau nws muaj txiaj ntsig tshwj xeeb. Piv txwv li, muaj cov txiv hmab txiv ntoo-cov nroj tsuag uas cog rau hauv lub vaj yuav tsum tau sau. Kuj tseem muaj cov tsiaj muaj txiaj ntsig, nws cov ntoo yog npaj rau kev tsim vaj tsev, chaw nyob, kev hla thiab txawm tias nkoj.

qauv ntoo

Ib tsob ntoo yog ib txoj hauv kev yooj yim heev. Txawm tias niaj hnub no, cov kws tshawb fawb tsis tuaj yeem nkag siab qee qhov txheej txheem uas tshwm sim hauv nws lub hlwb. Tshwj xeeb, lawv tshwj xeeb tshaj yog nyiam nyob rau hauv photosynthesis, vim tias carbon dioxide hloov mus rau oxygen. Qhov no yog cov txheej txheem tshuaj nyuaj uas, txawm tias tom qab nkag siab txog nws qhov xwm txheej, cov kws tshuaj tseem tsis tuaj yeem tsim nws hauv chav kuaj.

Yog tias peb tham txog cov qauv dav dav ntawm tsob ntoo, ces txhua yam yooj yim dua ntawm no. Nws muaj plaub lub ntsiabqhov chaw: keeb kwm, pob tw, ceg thiab nplooj. Nyob rau tib lub sijhawm, txhua yam ntawm cov khoom no ua nws tus kheej, tshwj xeeb thiab tsis tuaj yeem hloov pauv.

tsob ntoo ua li cas rau lub caij nplooj zeeg thiab lub caij ntuj no?

Raws li tau hais ua ntej lawm, qee cov ntoo tseem ntsuab tag nrho lub xyoo, thaum lwm tus poob lawv cov nplooj nrog rau qhov tuaj txog ntawm thawj huab cua txias. Cov kev xav paub tshwj xeeb xav paub: "Vim li cas lawv ua li no?"

Ua ntej, qhov no yog kev khaws cia tus kheej tsim tawm ntau xyoo ntawm kev hloov pauv. Qhov tseeb yog hais tias cov ntoo nyob rau lub caij ntuj no, vim Frost, ua tsis yooj yim heev. Qhov no yog qhov tseeb tshwj xeeb tshaj yog rau cov ceg me me uas tseem tsis tau muaj sijhawm kom muaj zog. Yog hais tias nplooj tsis poob, ces daus yuav nyob rau ntawm lawv, yog li ua rau lawv hnyav. Thaum kawg, qhov no yuav ua rau cov ceg tawg thiab tawg.

ntoo nyob rau lub caij ntuj no
ntoo nyob rau lub caij ntuj no

Lwm qhov laj thawj rau cov nplooj poob yog qhov qeeb ntawm tag nrho cov txheej txheem ntawm lub neej nyob rau hauv cov ceg ntoo. Nws zoo li poob rau hauv hibernation, uas kav mus txog rau lub caij nplooj ntoos hlav. Txawm li cas los xij, cov kws tshawb fawb tseem tsis paub meej tias thaum twg cov ntoo tawv ntoo pib coj li no. Raws li rau lawv coniferous "kwv tij", lawv yuav luag tsis muaj xws li kev pw tsaug zog.

Ntxhais yog cov khoom muaj nqis tiag hauv ntiaj teb

Nyob rau hauv xaus, kuv xav kom nco ntsoov tias ntoo yog lub ntsws ntawm lub ntiaj teb no. Yog lawv ploj mus lawm ces tib neeg yeej yuav tuag nrog lawv. Yog li ntawd nws tseem ceeb heev uas txhua tus neeg nco txog lawv lub luag haujlwm hauv peb lub neej.

tsob ntoo yog dab tsi
tsob ntoo yog dab tsi

Kuv xav kom nco ntsoov tias tam sim no tus lej ntawm txhua tusMuaj ntau dua 3 trillion ntoo nyob hauv ntiaj teb. Thiab txhua txhua xyoo, vim yog hav zoov hav zoov thiab nthuav dav hauv nroog, tus lej no raug txo los ntawm 15 billion. Cov qauv zoo li no, alas, tsis tuaj yeem ua rau txhua yam zoo. Thiab yog li ntawd, cia siab tias yav tom ntej tus neeg tseem yuav kawm siv lub ntiaj teb cov peev txheej ntau dua.

Pom zoo: