2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cov cuticle tuab no feem ntau tshwm sim rau ntawm cov nroj tsuag ntawm qhov chaw qhuav heev(qhov uas nws muaj txiaj ntsig zoo hauv kev khaws cov dej los ntawm cov nroj tsuag) los yog cov uas ntub heev (qhov twg nws tiv thaiv. cov dej nag ntau los ntawm cov khoom noj leaching tawm ntawm cov protoplasts).
txhais li cas los ntawm tuab cuticle?
Vim qhov kub thiab txias, cov dej tau poob los ntawm cov stomata ntawm cov nroj tsuag vim tias muaj cov kab mob siab heev. Txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau kis tus kabmob
Cov nroj tsuag twg muaj qhov tuab tuab?
Nplooj hloov pauv
Nyob hauv huab cua kub, cov nroj tsuag xws li cacti muaj cov nplooj succulent uas pab txuag dej. Ntau cov nroj tsuag dej muaj nplooj nrog dav lamina uas tuaj yeem ntab rau saum npoo dej; daim tawv nqaij tuab tuab ntawm nplooj nplooj uas tawm dej.
YPuas Xerophytes muaj tuab cuticle?
Cov nroj tsuag xerophytic feem ntau muaj tuab tuab waxy cuticle ntawm lawv stems, thiab tawm yog tias lawv muaj. Cov waxy cuticle kuj tseem pab tiv thaiv cov evaporation ntawm cov dej los ntawm kev ci, thiab lub ci ntsa iab pab cuam tshuam lub hnub ci, uas txo cov evaporation vim lub hnub ci tuaj yeem ua rau dej evaporate.
Vim li cas kuv cov tawv nqaij tawv tawv?
Thick, waxy cuticle - muaj nplooj npog los ntawm cov cuticle thickened tiv thaiv dej los ntawm nplooj nplooj . Stomata nyob rau hauv qhov - muaj stomata nyob rau hauv pits, surrounded los ntawm plaub hau,ntxiab dej vapor thiab li no txo cov kis.
Pom zoo:
Puas yog tawv nqaij tawv nqaij tawv nqaij khawb yooj yim?
tawv tawv, zoo li calfskin, tuaj yeem nkag siab rau khawbtab sis tau yooj yim rov qab los ntawm tus kws tshwj xeeb lub hnab. Puas yog tawv nqaij tawv tawv tawv tawv? Feem ntau hais lus, calf tawv yog ruaj khov, tshwj xeeb tshaj yog rau nws qhov hnyav thiab tuab.
Ntawm lub footpad twg txheej ntawm daim tawv nqaij yog tuab tshaj?
The dermis: ib qho thicker sab hauv. Qhov no yog cov ntaub so ntswg sib txuas ntawm daim tawv nqaij. Nws yog ib qho tseem ceeb rau kev hnov, kev tiv thaiv thiab thermoregulation. Cov tawv nqaij txheej twg yog qhov tuab tshaj? Squamous cell txheej yog txheej tuab tshaj plaws ntawm cov epidermis, thiab koom nrog kev hloov ntawm qee yam khoom hauv thiab tawm ntawm lub cev.
Koj puas tev tawv nqaij tawv nqaij?
Yog li qhov kev txiav txim siab yog khaws cov dev kub tab sis lawv nrhiav tau ib txoj hauv kev kom lawv muaj kev nyab xeeb yooj yim los ntawm kev hlais ntev. Qhov phom sij tseem ceeb ntawm tus dev kub yog nyob rau ntawm daim tawv nqaij. Nws tev tawm hauv cov ntawv thiab tuaj yeem npog tau yooj yimcaj pas thiab tiv thaiv huab cua.
Tsev tawv taub hau puas tuaj yeem ua rau tawv nqaij tawv?
Sunburned tawv taub hau plaub hau poob Ib lub tshav kub ntawm koj cov tawv nqaij feem ntau yuav tsis ua rau plaub hau poob. Tej zaum koj yuav poob qee cov plaub hau thaum daim tawv nqaij tev, tab sis lawv yuav tsum rov ua dua. Yog tias koj muaj cov plaub hau nyias, koj muaj kev tiv thaiv ntuj tsawg los ntawm lub hnub lub teeb UV.
Ntawm tib neeg lub cev daim tawv nqaij tuab tshaj nyob rau ntawm?
Daim tawv nqaij yog tuab tshaj plaws ntawm cov xib teg thiab ob txhais taw(1.5 hli tuab), thaum cov tawv nqaij thinnest pom ntawm daim tawv muag thiab hauv cheeb tsam postauricular (0.05 hli tuab.). Cov tawv nqaij twg yog qhov tuab tshaj?
