A kewaye tsarin da flower. A furanni ne hermaphrodite da kuma iri guda ba

A yanayi, akwai mutane da yawa launi daban-daban. Wasu mai haske da kuma kyau, da sauran - sauki da kuma bayyana. Mene ne dalilin da? Shin yana yiwuwa a bayyana Schematic? Sai dai itace cewa yana da real. Amma abin da za a iya bayyana makirci? Flower tsarin a daban-daban shuke-shuke iya zama sosai daban-daban. Amma babban bambanci ba a cikin nau'i ko kyakkyawa da ta petals. Yafi muhimmanci shi ne abin da yake a cikin shi.

flower aiki

Saboda haka cewa shuke-shuke iya haifa kansu, suna bukatar haihuwa gabobin. Don yin wannan, wasu jinsuna sun koya ba Yunƙurin zuwa wani sabon rayuwa daga tushen harbe. Wasu tashi flower matsayin farko jima'i sashin jiki a cikin shakka daga juyin halitta. Shi ne da fitowan da kuma maturation na sel cewa ba Yunƙurin bayan pollination iri maturation. A hoto sama ya nuna tsarin da na kowa irin flower makirci. Me ya na da irin wannan nau'i?

An yi imani da cewa flower - mai wanda aka samu daga cikin ganyayyaki. Suna aikata m metamorphosis, kamar yadda saba da muhalli da yanayi. Wasu "koya" to kai-pollinate. Sauran dõgara iska. Wasu sāke a cikin irin wannan hanya kamar yadda ya jawo hankalin kwari da su bayyanar. Kuma suka, za daga daya flower zuwa wani a search na Nectar a kansu da wani sashe pollen.

Students tsarin da flower

Mene ne haihuwa sashin jiki? Yawanci, da flower ne karshe kashi na reshe babban tsaye ko a kaikaice axis. Yana tasowa daga buds kafa a takaice harbe, kuma ba zai taba zama a cikin ganyayyaki. A wuri inda ya fara tashi daga tushe, da ake kira matattarã ba. An motsi daga shi "ya fita" sun halartar metamorphosis a kan aiwatar da juyin ci gaba.

A tsarin da flower (general irin kewaye) za a iya yi nazari a kan photo misali cewa an zubar a kasa. Ana iya gani thickened matattarã ba. Daga shi ke tsiro perianth. Its rawa ne na biyu kuma shi ne kariya daga mafi muhimmanci sassa na flower. Perianth iya samun sarari rabo a cikin wani kofin da whisk. Yana iya zama mai sauki da kuma unprepossessing, uniform launi. Kuma a cikin wasu lokuta, shi ne zuwa kashi sepals da haske petals, jawo hankalin kwari da su tabarau.

Mene ne musamman da ciki tsarin da flower? Students haihuwa Gabar hermaphrodite shuke-shuke nuna kasancewar wani stamen (namiji da wasu gabbansa) da kuma carpel (mace). Su ma suna cikin manyan sassa na wani flower. A nuna a kasa na pestle zama ruwan dare tushe - kwai, ovule dauke da sama - dauke da shafi, a kanta tip - spout. Stamen kunshi wani bakin ciki filament, wanda aka located bellow.

Hermaphrodite da kuma iri guda ba furanni

Mene ne dalilin wannan rarrabuwa? Mene ne su bambanci? A kewaye da tsari da kuma hermaphrodite furanni iri guda ba daban-daban sa na haihuwa da wasu gabbansa. Complete kit presupposes da stamens da pistil (bisexual). Idan, duk da haka, samar da kawai a pistil, furen yana dauke mata, kuma idan kawai stamens - namiji. A biyu daga cikin wadannan lokuta, in yi magana da haihuwa sassa na shuke-shuke suna iri guda ba.

Abin da kuma shi ne na musamman makirci tsarin da flower? Akwai wani rarrabuwa. Tare da bisexual furanni kasuwanci ya fi sauƙi, su pollination faruwa ba tare da wani matsaloli. Tare da iri guda ba halin da ake ciki shi ne mafi rikitarwa. Akwai iya zama biyu zažužžukan. A wasu jinsunan da furanni ga mace da namiji manufa girma gefe da gefe a kan daya zangarniya (monoecious). A wannan yanayin, pollination aka Sauki. Wasu da namiji da mace fure suna samar a kan daban-daban shuke-shuke (iri guda ba), kuma suka za a iya located daga juna a wani babba nesa.

Features

Wannan makirci (flower tsarin) ya sa ya yiwu su fahimci ainihin da shuka rabo da jinsi manufa. Bisexual furanni (su petals), ayan zama kasa mai haske. Wannan shi ne saboda da kusa da kusanci da namiji da mace wasu gabbansa. Ko da daya ne isasshen kwaro hure. A wasu jinsunan da stamens kullum shirya haka cewa hirtsinta, tarkace, da zarar ta samun a kan pistil. Iri guda ba furanni pollinate kansu iya ba. Saboda haka, su petals ne mai haske canza launi don jawo hankalin kwari.

Akwai sauran sukayi fassara. Wasu shuke-shuke Bloom a 3 - 4 makonni bayan shuka (shekara-shekara), yayin da wasu kawai a kan na biyu ko na uku shekara (tsawon lokaci). Wasu itatuwa kullum isa jima'i balaga kawai bayan shekaru goma. Wani sashi na shuka blooms wani ajali ambatacce, wasu (citron) "yin" da shi a duk tsawon lokacin. A sakamakon haka, da wannan mita akwai wani maturing 'ya'yan itatuwa da tsaba.

Jigon da fure da aka bude damar yin amfani da babban haihuwa gabobin. Kamar yadda maturation na jam sel na farko ya auku dehiscence toho. Perianth fallasa: na farko, sepals, petals sa'an nan. Kamar yadda ya yi 'yã'yan cikakken bude hanya ga anthers da stamens ba hana ji na mace stigma na namiji pollen.