Chii icho uye ndeapi mashandiro etsinde remuti?

Iyo stem ndiyo axis ine iyo nzvimbo, kazhinji yemuchadenga, yeiyo cormophytes

Chimwe nechimwe chezvirimwa zviripo, nenzira imwecheteyo nemumuviri wemunhu, zvakanyatsotsanangura zvikamu uye zvese zvine basa chairo. Zvikamu izvi ndizvo mudzi, mashizha uye dzinde.

Dzinde ndiro demo rine nzvimbo, kazhinji zvemuchadenga, checormophytes, kuwedzera pakuve iyo nhengo iyo inotarisira kuchengetedza mashizha nemaruva uye kunyangwe michero munzvimbo. Dzinde rinosiyaniswa kubva pamudzi nekuti rine mapfundo panowisirwa mashizha nemashizha eaxillary, uye nekuti iine geotropism yakaipa, zvinoreva kuti ine simba rekukura ichipesana nesimba redhiraivhu.

Mukati mecormophytes mune zvipenyu zvine hunde imwechete

Mukati mecormophytes kune marudzi ane rimwe dzinde, iyo ine hunde isingavi nebazi, semiti ine madzinde akawanda ane dzinde rine matavi nenzira dzakasiyana zvichienderana nebasa rakaitwa nemeriistem.

Anatomically, iyo madzinde anoumbwa nematutu matatu masisitimu ayo anonzi se dermal, yakakosha uye inonakidza kana vascular.

Nechikamu chayo, misiyano inoitika mukuumbwa kwehunde mumarudzi akasiyana siyana uye hombe taxa, ine musiyano unoitika mukuparadzaniswa kwakaringana kwemasuru uye yakakosha nyama. Saizvozvo, kukura kwenguva refu kwehunde kunotanga kubva pa chiitiko chinoitwa neapical meristems, pamwe nekuwedzera kunotevera kwema internode, ayo anozivikanwa se "Primary kukura".

Uku kukura kunomira kune iyo yakawedzera hunde ukobvu, uyu uri mhedzisiro yechiitiko chinoitwa neyechipiri meristems (phellogen uye cambium). Uku kukura kunowanzo fanika kwete chete mumajimnosperms, asi zvakare mune yakawanda ye shrub uye arboreal eudicotyledons, zvichikonzera iyo huni.

Izvo zvakakoshawo kutaura kuti madzinde akasarudzika kuburikidza nemaonero akasiyana, iwo mamwe chete anoenda kubva mukuenderana kwavanako, kune shanduko dzavanadzo pavanenge vachigadzirisa mukati mhando dzakasiyana dze ecosystems.

Mabasa emiti yemashizha anozove akakosha mukuvandudza kwavo kwakakodzera. Muzhinji, aya mabasa ane hukama neese ari mairi kutakurwa kwemvura uye zvinovaka muviri mumiti, pamwe nerutsigiro rwechimiro.

tsananguro yematsinde

Rutsigiro rwechimiro rwunopihwa madzinde akagadzirirwa kugadzira maruva, mashizha nemichero yemiti gara panzvimbo uye usadonha nguva yako isati yasvika. Zvisinei, kune mamwe madzinde anokura pasi pevhu; Izvi hazviwanzo kuve nebasa rekutsigira, asi mubatanidzwa wezvikamu zvakasiyana zvezvirimwa.

Kune rumwe rutivi, kutakura zvinovaka muviri rinova basa iro zvakare rine kukosha kukuru. Izvozvowo zvinoitika, nekuti hunde ine maitiro evascular tishu ane hukama nezvikamu zvakasiyana zvezvirimwa, kuitira kubvumira kuyerera kwezvinhu nekubva kumidzi, mashizha, maruva, michero uye zvekare, kuburikidza nehunde pachawo.

Izvo zvinofanirwawo kucherechedzwa kuti madzinde ane kushamwaridzana kwepedyo ne chirimwa mashizha, iyo inoratidzwa kuburikidza nekuenderera mberi kuripo pakati pemasumbu mabundles ayo ese mashizha uye hunde anazvo.

Sangano iri rinowanzozivikanwa pasi peshoko "dzinde", Uye mukati mayo nhengo mbiri idzi dzinomera dzakapoteredzwa. Zvakare, hunde ndeye chikamu chakakosha mune chimiro chemiti, kunze kwaizvozvo vangadai vasina kukwanisa kukura.


Siya yako yekutaura

Your kero e havazobvumirwi ichibudiswa. Raida minda anozivikanwa ne *

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  1. Inotarisira iyo data: Miguel Ángel Gatón
  2. Chinangwa cheiyo data: Kudzora SPAM, manejimendi manejimendi.
  3. Legitimation: Kubvuma kwako
  4. Kutaurirana kwedata
  5. Dhata yekuchengetedza: Dhatabhesi inobatwa neOccentus Networks (EU)
  6. Kodzero: Panguva ipi neipi iwe unogona kudzora, kupora uye kudzima ruzivo rwako