Video: Dab tsi yog qhov tua ntawm tsob ntoo?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Cov tua tip . Cov gametophytes ntawm mosses thiab liverworts thiab sporophytes ntawm ntau dua nroj tsuag muaj a tua , los yog ntxov qia , nrog ib lub cell ntawm nws lus qhia , los yog apex, uas tag nrho cov ntaub so ntswg ntawm lub qia sawv.
Tsis tas li ntawd, dab tsi yog qhov kev txiav txim tua?
tua tip . Lus txhais. Lub davhlau ya nyob twg bud (0.1 - 1.0 mm) ntawm ib tsob nroj, uas muaj apical meristem (0.05 - 0.1 mm) thiab tam sim ntawd ib ncig ntawm nplooj primordia thiab tsim nplooj, thiab nyob ib sab. qia ntaub so ntswg.
Ib yam li ntawd, qhov node ntawm tsob nroj yog dab tsi? Hauv kev tshawb fawb ntawm cog biology, ib cog qia muaj nodes thiab internodes. A cog qias nodes yog cov chaw tseem ceeb uas cov nplooj, ceg, thiab cov hauv paus hniav loj hlob tawm ntawm qia, thaum lub internodes yog cov ntu nruab nrab ntawm nodes.
Raws li qhov tshwm sim, qhov tua ntawm tsob ntoo yog dab tsi?
Hauv botany, tua Muaj cov stems nrog rau lawv cov appendages, nplooj thiab lateral buds, flowering stems thiab paj buds. Kev loj hlob tshiab los ntawm cov noob germination uas loj hlob tuaj yog ib tua qhov twg nplooj yuav loj hlob. Ib txhia nroj tsuag (piv txwv li bracken) tsim cov co toxins uas ua rau lawv tua inedible los yog tsawg palatable.
Qhov txawv ntawm tua thiab qia yog dab tsi?
Hauv cov ntsiab lus ntawm qhov sib txawv ntawm tua thiab qia , cov tua yog ib feem saum av ntawm cov nroj tsuag, thaum lub qia yog ib feem ntawm tua . Tua suav nrog qia , paj, nplooj, paj qia , buds, thiab lwm yam Nws kuj muab axes rau paj thiab txiv hmab txiv ntoo.
Pom zoo:
Koj ua li cas cog tsob ntoo loj loj rau hauv tsob ntoo?
VIDEO Yog li ntawd, cov nroj tsuag twg tuaj yeem loj hlob hauv tsob ntoo? Ferns , ntau yam paj hav zoov , paj kws , marigolds , phlox , muaj ntau yam kev xaiv. Koj tuaj yeem cog lwm cov nroj tsuag nyob ib puag ncig nws. Cov ntoo cog ntoo no yuav tsis mus tsis pom thiab dhau los ua ib qho chaw zoo nkauj tshaj plaws ntawm koj lub vaj.
Vim li cas ib tsob ntoo tulip hu ua tsob ntoo tulip?
Lub npe botanical Liriodendron tulipifera los ntawm Greek: Liriodendron, uas txhais tau hais tias lilytree, thiab tulipifera uas txhais tau hais tias 'ua rau tulips', alluding rau qhov zoo ib yam ntawm nws cov paj rau tulip
Kev txiav txim siab tsob ntoo yog dab tsi thiab nws qhov tseem ceeb?
Ib tsob ntoo txiav txim siab yog ib daim duab uas siv txoj hauv kev los qhia txog txhua qhov ua tau ntawm qhov kev txiav txim siab. Cov ntoo txiav txim siab tuaj yeem kos los ntawm tes lossis tsim nrog cov duab kos duab lossis software tshwj xeeb. Raws li txoj cai, cov ntoo txiav txim siab muaj txiaj ntsig zoo rau kev tsom mus rau kev sib tham thaum ib pab pawg yuav tsum txiav txim siab
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