UkubunjwaImfundo Secondary nezikolo

Zeziphi izityalo ezityalwe iimbewu nendlela Bamenzela

Izityalo kusikhawulela ngalo lonke inyathelo. Man uzisebenzisa kumacandelo ahlukeneyo: hayi nje kuphela ngenxa ukutya kodwa ngenxa ukwenziwa iimpahla zokunxiba, ifanitshala, kwakunye nchavelelo nomfaneleko. iintlobo ezingaphezu kwama-200 ngoku banakho abantu. Yaye ixabiso ibalulekileyo ebomini babantu zizityalo imbewu, ingakumbi kweentyatyambo. Bona okuvunwe kumasimi nezitiya. Kwaye ke begadi engahlawulwayo kwaye abalimi kubaluleke kakhulu ukwazi ukuba zeziphi izityalo zande yi imbewu. Ngapha koko, le ndlela yeyona ilula kwaye ibiza kancinane.

imbewu History yokuzalela

Izityalo yokuqala imbewu emhlabeni kwasasazeka. Kodwa eli lungiselelo kwaba abangafezekanga, kuba imali encinane kakhulu kubanjwene ngaphakathi iimeko zivuma. Ukuza kuthi ga asinda kuphela yefeni, ubulembu kunye ulele. Ukuvela iyantlukwano enkulu yezityalo indalo unetyala ukuvela indlela imbewu andise. Emva kokuba imbewu unalo inshorensi yokhuselo kunye unikezelo izondlo, naphaya ngakumbi kwiimeko ezinzima, ungenza ixesha elide ukuba alale phantsi aze alinde de isilwanyana okanye umntu awunakuligqithisela umhlaba ochumileyo nokukhula.

Izityalo imbewu yokuqala - coniferous, ginkgovidnye kunye cycad. Bahlala aqhelekile on Earth. Iqela elikhulu kunene - angiosperms, okanye izityalo kweentyatyambo. Zinika kuphela nokutya kwabantu nempahla, kodwa ukuhombisa ubomi bakhe. Ngoko ke, wonke umntu uya kuba nomdla ukwazi zeziphi izityalo zande yi imbewu.

Ubume izityalo imbewu

Uphawu kuzo zonke kukuba ubuncinane kanye ebomini babo, zakha intyatyambo kwisiza apho savuthwa isiqhamo ka rimbewu. Ubuhle, ivumba kunye umbala kuxhomekeke indlela uvuvuzelo. Kwindawo engundoqo ye kwisityalo - yinto pistil kunye stamens. imbali ngayinye zahluke. Stamens ziqulathe pollen kunye neentyatyambo iyafuneka ukuze uvuvuzelo. Le pistil iqulathe isizalo, isimbo kunye nokubekwa amabala. Yenzeka isiqhamo yokuqala ka rimbewu.

Zonke izityalo zahlulwe yodaka kunye polyspermous. Iimbewu ayahluka ubungakanani, umbala nemilo. Basenokuba yinto encinane, ezifana nothuli, okanye ezinkulu eziqinileyo (umz, imbotyi okanye imbewu). Ukusuka konke oku kunokwenziwa isigqibo ukuba izityalo imbewu ukuvelisa ngeentyatyambo.

Indlela ukusasaza imbewu

Ngexesha kwemvelo, uhlobo wasungula iindlela ezininzi usasazo. Ngapha koko, kubalulekile ukuze ukhuseleke kwezityalo, imbewu zathi saa imigama emide. Kufuneka sikhule iimeko zivuma. Ukuba uyazi ukuba zeziphi izityalo ezityalwe imbewu, kuye kucace ukuba yokugqibela akanakuba efanayo. Ngapha koko, abaninzi kubo isakhiwo ekhethekileyo, oko kuxhomekeke indlela lonikezelo.

  1. Uninzi iimbewu zisasazwa ngumoya. Kwezinye izityalo, ngoko ke ezincinane kakhulu, njengothuli. Ezinye iimbewu kufuneka naphaya ezikhethekileyo ukubhabha imigama emide. Umzekelo, maple iziqhamo ebizwa ngokuba "Samara" kwaye ukuwa esijikeleziswa, kangangokuba kuthatha umoya kude kakhulu. imbewu nemipopulari edandelion ezintofontofo kunye nokukhanya. aba bahamba kunye lunwele ecikizekileyo, edandelion nazo ukuma Sib.
  2. imbewu ke abaninzi bazandlala ngabantu okanye izilwanyana. Kufuneka amalungiselelo sinamathele iimpahla okanye iinwele, naxa uthuthwa ngendlela imigama emide. Oku, umzekelo, uthotho okanye burdock. Ezinye iimbewu ezi yokuncamathelisa ngqo zonke, kude kuse imilenze zeentaka.
  3. Rhoqo izityalo zivelisa yi imbewu, ukuba iziqhamo amanzi futhi emnandi. Bona kudliwa ziintaka okanye amathambo oluntu ukuya kwenye indawo.
  4. Kukwakho ezifana nezityalo ayikhuphi imbewu yabo, ngokufuthi imigama emide, ezifana ebephuma cucumber. ukwenza nje kunye yomnga ebengezelayo.

Indlela yokutyala izityalo imbewu

A lot of abalandeli ngoku izityalo ezisendlwini. Kodwa bambalwa abantu abanomdla koko izityalo ezityalwe imbewu. Yinto cheap, nangona, kodwa indlela kunokuba anzima. Imbewu Kufuneka kuqala bathele, ngoko oyihlwayeleyo emhlabeni otyebileyo kubo. Kuyimfuneko ukuba ukudala iimeko ezizodwa: i elilelona ubushushu, ukufuma kunye nokukhanya. Emva intshule kubalulekile ukuba ziseze kubo kwexesha, wayifaka kwindawo enelanga ngokufudumeleyo ukuba amahlumelo ziyucwe. Ngoko ke, inkoliso begadi bakhetha ukuthenga izithole esele zenziwe.

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