Fruit angiosperms aumba kubva pistil ovary

Juicy madomasi, chinonhuwira peya, yakaoma acorn cup carambola - izvi zvose zvinogona kunzi mumwe okuti - ". Zvibereko angiosperms" Aumba kubva ruva, uye zvikuru kushandiswa nemunhu muupenyu hwake. Sei paumbwe muviri zvinomera, vakakurukura zvakadzama munyaya ino.

Ndezvipi zvirimwa vari angiosperms

Angiosperms pari kuchengeta hukuru nechinzvimbo panyika. ichi umambo Division chirimwa ane vanopfuura zviuru 250 marudzi. Yakadaro ekisitenjeni pamwero ivo makawana Vongai mberi zviri zvayo mamiriro. Ivo dzinoratidzwa kubudikidza kuvapo rokubereka nhengo wokuberekana - iruva, kaviri muchangosangana. Muwande zvirimwa izvi kwete chete vegetative, asiwo achishandisa mbeu. Fruit angiosperms vakaumba kuti maruva.

Features miviri pakusangana mu maruva miti

The chikuru dzichipfekeka zvikamu ruva ndivo stamen umo kusimukira mukono utachiona masero uye pistil. Muchikamu ichi ndiyo hadzi gamete uye nechepakati utachiona sero. The kwacho wekusangana mu maruva miti iri pakurukurwa pollination. It kunoratidzwa kuchinjwa mukume kubva anther kusvika rusarura pakati pistil Stamens. Izvi kunoitika nemhepo, mvura, tumbuyu kana vanhu.

Fruit angiosperms aumba kubva mugove rezasi kuwedzerwa kuna pistil rinonzi ovary. Two dzisingaoneki munyaya muchangosangana kwacho. Kamwe pamusoro rusarura, havagoni kufamba vakazvimiririra vari ovary pamusoro pistil. Izvi zvinoitwa utachiona sepombi. Zvishoma nezvishoma chinokura pasi - kubva rusarura kuburikidza mbiru mune ovary. Uye pamwechete zvazvinoita pasi uye peya munhurume gametes. The nemamiriro ruva anogona kuenzaniswa amusimudze ane multistory chivakwa.

Richisvika ovary imwe spermatozoon rinobatanidza zai kuumba mudumbu mbeu. Mariri zvose chikamu remangwana chirimwa. Ichi embryo mudzi, gunde, shizha uye gemmule. A urume yechipiri fuses pamwe nechepakati utachiona sero. Somugumisiro kubatana kwavo aumbwa endosperm, iyo inoshanda se kuchengeterwa inotonhorera. Nokufamba kwenguva, yakaumbwa mukati michero mbeu. Inoitwa embryo, uye endosperm rukoko yacho svuura. Mbeu ndiro rokubereka nhengo kuti maruva zvinomera.

Zvibereko angiosperms

Mumwe yepamusoro zviri maruva zvinomera ndechokuti mbeu yavo kudzivirirwa. Sezvo angiosperms muchero aumba kubva ovary nomutswi kudzivirira masvingo aro mukati kukura mbeu kubva ezvinhu zvose ipa zvakatipoteredza. Izvi rokubereka nhengo zvinomera ine mbeu pericarp, izvo zvinozoita rinoumbwa matatu akaturikidzana: wokunze, pakati uye rwomukati. Zvichienderana nemamiriro kusiyanisa muchero yakaoma uye manune. Somuenzaniso, Cherry uye puramu drupe ane yokunze membranous, dzine svikiro uye ossified yomukati akaturikidzana.

Nokuda kuumba muchero angiosperms

In Kakawanda kacho, fetus mu angiosperms anova kubva ovary parusvingo pistil. Muchiitiko chino, zviri kunzi riripo. Mienzaniso zvivako dzakadaro drupe, bheri, bhinzi, bhokisi, achene. Zvisinei, kana, mune paumbwe muchero unobatanidzwa uye mamwe mativi ruva, zviri zvenhema. Izvi zvinogona kuwedzera mudziyo, Calyx. muchero nhema manune polyspermic Apple, izvo zvinoita kwete chete nokuda eponymous mumiriri Rosaceae mhuri, asiwo Quince, gomo dota, nezvikara akasimuka, hawthorn, irgi. Vose vanoziva vatema uye tsvuku the currant, elderberry, guzubheri, cranberry, dogwood vane zvakafanana yakarongeka.

Marongerwo uye kupatsanura emichero

Nekuti zvibereko angiosperms Virtual chikamu maruva, nemamiriro avo interconnected. Zviri nyore kuratidza. Somuenzaniso, kana nomutsi muduri ruva, zviri yakaumbwa chimwe uwandu nyore zvibereko. Kana apo vakawanda ovary fused pamwechete, pova kunzwisisa rokubereka nenyere. Izvi zvinoitika panguva mahabhurosi. muchero uyu - mugumisiro Fusion ose vakawanda drupes. Uye mastrawberry uye Strawberry duku nzungu vanonyudzwa mune zvakasvibirira uye meaty chawo mudziyo.

Fruits vakanga aibatanidza mapoka akawanda chikonzero. Chokutanga uwandu mbeu. In rechipiri - kunyanya nemamiriro pericarp. Maererano wokutanga chikabviswa chinosiyanisa one- (drupe, achene) uye polyspermous muchero (michero, Kamudzira). Maererano wechipiri chikabviswa - manune (zvinovava orenji, nhanga), uye yakaoma (bhinzi, walnuts).

Zvichireva michero zvakasikwa

Zvibereko zvinokosha chaizvo kuti kugoverwa mbeu uye chirimwa dispersal. Ane manune uye zvinonaka unodzivirira goko, ivo kufarira vaenzi mhuka dzakawanda. Kudya zvibereko, herbivores panguva kuparadzira mbeu, kutamira nzvimbo nenzvimbo. pericarp akaturikidzana vari kudzivirira yakavimbika mbeu kubva kuchinja kwezvakatipoteredza ezvinhu, tembiricha zvakasiyana, kushaya unyoro uye nokupisa. Munhu refu akashandisa muchero zvokudya, artificially akatunhidzwa mhando zvibereko, michero, manwiwa uye yemikombe zvezvipfuwo zvirimwa zvakawanda. Gore negore, Breeders, masayendisiti ari kusika mhando itsva zvinomera vaine goho.

Saka angiosperm muchero masvingo aumba kubva pistil ovary uye dzimwe ruva zvikamu: mudziyo kana carpels. Chero zvazvingava, chibereko mugumisiro kukura ruva, kaviri muchangosangana , uye anoita sezvo chirimwa kupararira.