Angiosperms Iziqhamo wabumba eliphuma esibelekweni pistil

iitumato limnandi, eliphakathi elivumba limnandi, yom owomileyo carambola ezingaqhelekanga - konke oku kubizwa ngokuba ibinzana omnye - ". isiqhamo angiosperms" Wabumba intyatyambo, kwaye ngokubanzi isetyenziswa umntu ebomini bakhe. Njani ukuyilwa umzimba yezityalo, ukuxoxwa ingenkcukacha kweli nqaku.

Ziziphi neentjalo angiosperms

Angiosperms okwangoku babambe isikhundla ezibalaseleyo kakhulu kwiplanethi yethu. eli Candelo sityalo ubukumkani ineendidi ngaphezulu kwama-250 amawaka. Loo inqanaba ulwandiso befumene enkosi iimpawu okuqhubekayo lwesakhiwo yayo. Bona luphawulwa ubukho amalungu okuzala yokuzala - intyatyambo, kwezichumiso kabini. Phindaphinda ezi zityalo kwezityalo nje kuphela, kodwa esebenzisa imbewu. angiosperms Iziqhamo wambumba lwembali.

Iimpawu kwezichumiso kabini kwizityalo eneentyatyambo

Indawo eziphambili esebenzayo wentyatyambo ke istameni apho ekuphuhliseni iiseli yintsholongwane yinkunzi pistil. Kule nxalenye zezona gamete ababhinqileyo kunye iseli lwegciwane central. Le nkqubo ifakwe ku kwizityalo kweentyatyambo landulelwa uvuvuzelo. It sikuko ukudluliselwa umungu ukusuka kumqumbi ukuya ibala le stamens pistil. Le nkqubo lwenzeka ngumoya, amanzi, izinambuzane okanye abantu.

angiosperms Iziqhamo wabumba inxalenye esezantsi eyandisiweyo eli pistil ekuthiwa yamaqanda. isidoda ezimbini inxaxheba kwinkqubo isichumiso. Xa phezu ibala, abakwazi ukuhamba ngokuzimeleyo kwi isizalo le pistil. Oku kwenziwa kwimibhobho lwegciwane. It kancane phantsi - ukusuka ibala ngalo ikholam kule isizalo. Yaye iya phantsi kunye iperi gametes eyindoda. Ubume wentyatyambo onokufaniswa ilifti lwesakhiwo esasakhiwe.

Ukufikelela yamaqanda omnye ngqamanisa ਸੀਲ inxulumanisa iqanda ukwenza umbungu imbewu. Kulo lonke kwikamva esityalo. Oku osandul ingcambu, yimpontshane, igqabi kunye gemmule. Xa edibana yesibini iifyuzi kunye iseli lwegciwane engundoqo. Ngenxa eziwafaka ezikhandelwa endosperm, nto leyo ukhonza zimbiwa yolondolozo. Ekuhambeni kwexesha, kwakheka ngaphakathi imbewu iziqhamo. Luquka umbungu, kunye endosperm umaleko Ixolo. Imbewu ke amalungu okuzala izityalo kweentyatyambo.

Iziqhamo angiosperms

Enye imisebenzi ephambili zezityalo eneentyatyambo kukuba imbewu yabo ayakhuselwa. Ekubeni angiosperms iziqhamo wabumba ukusuka kwisingqusho yamaqanda ukukhusela iindonga zayo ngaphakathi imbewu asakhulayo kuzo zonke iimeko engentle yokusingqongileyo. Oku amalungu okuzala kwezityalo yenziwa iimbewu kunye pericarp, nto leyo, ubunjwe ngeengcamba ezintathu: engaphandle, phakathi kunye ngaphakathi. Kuxhomekeka isakhiwo ukwahlula iziqhamo owomileyo kwaye iindaba zimnandi. Umzekelo, cherry kunye Plum drupe inophawu membranous sangaphezulu, esinamanzi eliphakathi kwaye izaleko ossified ngaphakathi.

Ngenxa ukwenza angiosperms yeziqhamo

Xa uninzi amatyala, umntwana ngo angiosperms kuphuhliswa kususela eludongeni yamaqanda le pistil. Kulo mzekelo, ibizwa ngokuba isipho. Imizekelo izakhiwo ezinjalo drupe, berry, iimbotyi, ibhokisi, achene. Noko ke, ukuba, xa lokusekwa neziqhamo iindawo ezibandakanyekayo ezongezelelweyo wentyatyambo, ukuba asiyonyani. Oku kungenzeka ziyanda isitya, zinamaqhina. iziqhamo lobuxoki apile amanzi polyspermic, nto leyo uphawu hayi kuphela ummeli eponymous Rosaceae usapho, kodwa ngenxa quince, ash intaba, asendle wavuka, hawthorn, irgi. Zonke aqhelekileyo currant emnyama nebomvu, elderberry, gooseberry, cranberry, dogwood kufuneka isakhiwo efanayo.

Ubume kunye nokubekwa neziqhamo

Ngenxa iziqhamo angiosperms ephuhlisa yinxalenye intyatyambo, ubume ezihambelanayo zabo. Kulula ukubonisa. Umzekelo, ukuba kwisingqusho ityatyambile, loo nto yamenza inani elifanayo leziqhamo ezilula. Kwimeko apho maqanda ezininzi edidekile, kunye, kusekwe ilungu oluntsonkothileyo okuzala. Oku kwenzeka e rasberries. Le iziqhamo - ziziphumo ngxubevange inani elikhulu drupes. Strawberry kunye namandongomane ezincinane istrawberry antywiliselwa kwi iluhlaza yaye meaty kwesiseko silahla.

Fruits kwadityaniswa ibe ngamaqela ngezizathu ezininzi. Eyokuqala linani imbewu. Kule yesibini - ingakumbi isakhiwo pericarp. Ngokutsho lokuqala eyahlula olulodwa (drupe, achene) kunye neziqhamo polyspermous (namaqunube, capsule). Ngokutsho inkalo yesibini - zimnandi (orange ekrakra, ithanga), nowomileyo (imbotyi, Anut).

iziqhamo ngohlobo Meaning

zibaluleke kakhulu ukuhanjiswa iimbewu kunye nezityalo nangokuyisasaza iziqhamo. Ekubeni iqokobhe amanzi futhi nencasa yokhuselo, ukuba izimuncumuncu owuthandayo izilwanyana ezininzi. Ukutya iziqhamo, Azityi ngaxeshanye asasaza imbewu, ukusuka kwenye indawo ukuya kwenye. Ingaphandle pericarp kukho ukhuseleko oluthembekileyo zembewu lutshintsho iimeko zokusingqongileyo, lobushushu oomahluko, ukunqongophala ukufuma kunye nobushushu. Umntu kudala wasebenzisa iziqhamo ukutya, eyenziweyo yabola iintlobo ezininzi zeziqhamo, namaqunube, umxoxozi kunye amathangazana kunye izityalo zefula. ngonyaka ngamnye, abalimi, oosonzululwazi ukwenza iintlobo ezintsha zezityalo kunye nezivuno eziphezulu.

iindonga Ngoko angiosperm iziqhamo wabumba kwimimandla maqanda kunye nezinye intyatyambo pistil: isitya okanye carpels. Kuyo nayiphi na imeko, iziqhamo sisiphumo sophuhliso wentyatyambo, kwezichumiso kabini , kwaye isebenza izityalo andise.