Kumiswa, Isayensi
Izitshalo eziqhakazayo
I izitshalo iplanethi enguMhlaba kuyinto ocebile futhi ezihlukahlukene. Kodwa kukhona omunye ngokuphelele esiyingqayizivele iqembu - izitshalo zom. Kuhlanganisa zinhlobo lamakhulu amabili lamatshumi amahlanu futhi wathola eplanethini yethu, nga fudumele kulencane ngamanzi duckweed nemithi emikhulu, lafinyelela ukuphakama kwamamitha kuka 90. Kulokhu, izihlahla kanye izihlahla babe bok neziqu kanye namakhambi ube mncane stem namanzi.
Izinhlaka nezitshalo eziqhakazayo zihlukaniswe izinhlaka umsoco nasekuvezeni izithombo zaso ezintsha. Through the izimpande, sifanamsindvo namaqabunga alesi sitshalo ethola amandla. A izimbali nezithelo ukwenza kubaluleke kakhulu umsebenzi - ukukhiqizwa kabusha umsebenzi.
Isici esiphawulekayo leli qembu izitshalo kuyinto khona izitho ethile zokuzala - imbali. Kungaba egqamile futhi kuhle ngokumangalisayo, enomzimba omncane ingase abe iphunga olubucayi, futhi kungase kube sengathi etshanini, abe mancane futhi ukucasha.
Noma yimuphi imbali inezingxenye eziningana, ngayinye yaba wenza umsebenzi othile. Sepals - engxenyeni engaphandle, esivikela umzimba namanje esiteji ihlumela. I eziphawuleka kakhulu ingxenye amacembe imbali umbala egqamile futhi iphunga kuthandwa izinambuzane eziningi. Zempova le silahla igciwane amaseli besilisa Banamathele stamens. Impova kusuka isitshalo ukutshala Ukudluliselwa noma umoya noma izinambuzane. Esibelethweni - lapho silahla insikazi ubulili amaseli. Ukuvundisa e nezitshalo eziqhakazayo singenzeka kuphela lapho yokuxhuma impova okusanhlamvu kanye esibelethweni. Ngokuvamile, lezi zitshalo abe nakho kokubili, amaqanda kanye stamens e imbali efanayo. Hlukanisa izimbali owesilisa nowesifazane isihlukene ezitholakala ngokwemvelo ekulezi zitshalo zom, ezifana oki noma willow.
Inqubo ye-photosynthesis okwenzeka amahlamvu, kuyinto ukuguqulwa kwe-carbon dioxide futhi amanzi ngaphansi kwethonya amandla elanga e izakhi. Uhla izifunzo eziqhakazayo. Ngu sifanamsindvo, akha umgogodla wonke umzimba njengoba amashubhu, kusukela empandeni kuya emanzini leaf ingena. Roots futhi yenza umsebenzi esiyingqayizivele: balokhu eyinkimbinkimbi izitshalo isakhiwo ngokusebenzisa induku, edlulisela ngokujulile, futhi ezincane ameva, ezivamile eduze ebusweni enhlabathini, kanye amanzi akhiphe namaminerali usikhuphule ezinzulwini zomhlaba.
Ukuzalanisa nezitshalo eziqhakazayo simiswe ngalendlela lelandzelako: Iqanda nempova axhunyiwe, futhi ezikhiqiza amaqanda akhiwa imbewu. Kuze lokhu kwenzeka inqubo impova. Impova idluliswe isuka kwenye imbali noma umoya noma izinyosi, izimvemvane nezinye izinambuzane. ukunambitheka obucayi elikhanyayo umbala imbali edonsela ezithutha impova. Kubo, ngasesinqeni se amacembe iqoqa umpe olumnandi. In the search ukudla okunoshukela, impova okusanhlamvu unamathele esiswini, imilenze, amaphiko isinambuzane, futhi njengoba lezi izinyo elimnandi ayigcini Ukuvakashela kwelinye imbali, impova uwela kalula kwabanye. Izimbali izitshalo akhiqiza izindodla impova, owenziwa umoya, futhi izimbali kasilika uyithola enetheni.
Ngokushesha nje lapho okusanhlamvu impova iwe kusuka kwenye imbali kuya, zikhula Amapayipi elincane ngifike ezikhiqiza amaqanda, xhuma amaseli ubulili besilisa nabesifazane. Ngakho avundiswa amaqanda, kusukela lapho imbewu akhiwa. Phakathi naleso sikhathi, esibelethweni ikhula, obumba izithelo (amajikijolo, amantongomane, amabhokisi ezomile).
Ngokuqondene umjikelezo wokuphila kwe-nezitshalo eziqhakazayo kungaba yonyaka, biennial futhi zisetshenziswa. Nge elula yonyaka: eziqhakaza kanye kuphela futhi bafe, konke okwenzekayo kungakapheli unyaka owodwa. An yendaba ezithakazelisayo sivulekile nokuqapha biennials. Onyakeni wokuqala wokuphila kuyinto ukukhula asebenzayo we neziqu kanye namahlamvu, kanye ekuqongeleleni izimpande izakhamzimba. Kwaba ngonyaka wesibili isebenzisa impande amasheya izakhi ukuze ziphuzo zazihluzwa of amahlumela ezokwenza imbali ekuqaleni, uthela izithelo, bese abune away. Ezikhula iminyaka eminingi ziyaqhakaza iminyaka eminingi, ujabula nathi izimbali ezinhle.
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