Cov txheej txheem:
- Vim li cas pob kws thiaj tawm ntawm lub tassel?
- Kuv puas yuav txiav tassels tawm ntawm kuv pob kws?
- Yuav ua li cas thaum pob kws tassels?
Video: Nyob hauv pob kws cov tassels sawv cev li?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Txoj kab ntawm pob kws sawv cev tus poj niam ntawm paj uas yog style thiab stigma.
pob kws yog poj niam inflorescence. Nws tsuas muaj poj niam paj xwb. … Tab sis style ntawm nws cov paj yog ntev heev thiab plaub hau, lawv tawm los ntawm sab saum toj ntawm cob nyob rau hauv daim ntawv ntawm pawg, lawv hu ua tassels.
Vim li cas pob kws thiaj tawm ntawm lub tassel?
Cov nplooj ntawm cov nroj tsuag yog rau cov noob pob kws. Cov tassels raug tshem tawm kom cov nroj tsuag tsuas yog pollinated los ntawm lwm cov nroj tsuag. Cov kab uas yog topped yog poj niam kab. Kab uas tsis yog txiv neej kab.
Kuv puas yuav txiav tassels tawm ntawm kuv pob kws?
Detasseling pab kom pollinate pob kws nroj tsuag thiab txhawb los yog tiv thaiv kev hla-pollination. Kev tshem tawm tassel tsis tsim nyog yog tias koj tsuas yog cog ntau hom pob kws xwb, tab sis nws tuaj yeem ua rau cov qoob loo nce ntxiv thiab tawm los.
Yuav ua li cas thaum pob kws tassels?
Pob kws (Zea mais) ua ib lub tassel silks saum toj ntawm txhua pob ntseg thaum cov nroj tsuag npaj pib tsimPob kws tassel tsim cov paj ntoos uas pollinate pob ntseg li ntawd lawv tuaj yeem tsim cov kernels. Yog pob kws tsis tassel, nws yuav ua tsis tau tej pob ntseg noj, txawm koj loj hlob pob kws qab zib los yog pob kws flint.
Pom zoo:
Nyob rau hauv sawv cev painting cov ntsiab lus yog?
(rau kev sawv cev thiab kev paub daws teeb meem, cov ntsiab lus pib nrog cov khoom lossis cov xwm txheej uas ua haujlwm tau piav qhia. Cov kab uas yuav tsis tau kos meej meej, tab sis qhov sib xyaw ua haujlwm ua rau pom tias lawv nyob ntawd.
Pob kws pob kws nyob qhov twg?
pob kws tau ua vaj tse txog 10,000 xyoo dhau los hauv tam sim no Mexico yog dab tsi. Archaeologists pom tias tib neeg tau paub txog paj kws rau ntau txhiab xyoo. Fossil pov thawj los ntawm Peru qhia tias pob kws tau tshwm sim thaum ntxov li 4700 BC .
Leej twg yog cov neeg yos hav zoov-sawv cev uas nyob hauv cov suab puam kalahari?
Tus San Bushmen yog cov neeg yos hav zoov-sawv cev uas nyob hauv Kalahari Desert . Puas yog Bushmen nomads? Lawv yog ib txwm yog cov neeg yos hav zoov thiab cov neeg sau qoob loo uas tau tsiv hla thaj av loj thoob plaws tebchaws Africa sab qab teb.
Puas tus neeg sawv cev vs tus neeg sawv cev?
Yog tias koj tsim kev ntseeg siab, koj muab ib tus neeg los ua "tus neeg saib xyuas" ntawm kev ntseeg. Tus Trustee yog lub luag haujlwm ua raws li cov lus qhia hauv kev ntseeg siab thiab txoj cai tswjfwm kev ntseeg. Tus neeg uas koj xaiv los txiav txim rau kojvaj tse yog koj "
Qhov chaw ntawm cov pob txha zoo li lub ntsej muag nyob rau hauv tib neeg lub cev nyob qhov twg?
Qhov chaw ntawm cov pob txha zoo li lub ntsej muag nyob rau hauv tib neeg lub cev nyob qhov twg? Cov pob txha 'lunate' yog qhov txawv ntawm nws qhov sib sib zog nqus concavity thiab crescentic qauv. Nws nyob nyob rau hauv kab sib thooj ntawm carpals ntawm lub lateral 'scaphoid' thiab medial 'triquetral triquetral Lub triquetral pob txha (/traɪˈkwɛtrəl, -ˈkwiː-/;
