Guzobere, Sayensị
Mkpụrụ angiosperms kpụrụ si pistil ovary
Kemmiri tomato, ísì ube, akọrọ mkpuru osisi na osisi carambola - niile a nwere ike na-akpọ otu okwu - "nkpuru nke angiosperms." Kpụrụ si ifuru, na na ọtụtụ-eji mmadụ ná ndụ ya. Olee otú bụ guzobe nke aru nke osisi, na-atụle n'ụzọ zuru ezu na a n'isiokwu a.
Gịnị osisi na-angiosperms
Angiosperms ugbu a jide a kasị ọnọdụ na mbara ala. a alaeze Division osisi nwere ihe karịrị 250 puku umu. Dị otú ahụ ndọtị larịị ha na-egosipụta ekele na-aga n'ihu na atụmatụ nke ya Ọdịdị. Ha na-ji ọnụnọ nke ịmụ ọmụmụ akụkụ nke mmeputakwa - a ifuru, abụọ njikọta. Ba uba ndị a osisi ọ bụghị nanị na vegetative, ma site n'aka osisi. Mkpụrụ angiosperms kpụrụ nke ifuru.
Atụmatụ abụọ njikọta na okooko osisi
Isi ọtọ akụkụ nke ifuru bụ stamen nke na-emepe emepe nwoke izizi mkpụrụ ndụ na pistil. Na nke a akụkụ bụ nwaanyị gamete na etiti izizi cell. The usoro nke njikọta na okooko osisi na-kpọkwasịwo pollination. Ọ mejupụtara na nyefe nke pollen si anther ka ihere nke pistil stamens. Usoro a emee site ifufe, mmiri, ụmụ ahụhụ ma ọ bụ ụmụ mmadụ.
Mkpụrụ angiosperms kpụrụ si ala gbasaa òkè nke pistil akpọ ovary. Abụọ spam abuana ke njikọta usoro. N'otu oge, na ihere, ha enweghị ike ime onwe na ovary nke pistil. Nke a na-eme site izizi akpa. Ọ nwayọọ nwayọọ na-etolite ala - si ihere site na kọlụm na ovary. Na na ọ na-aga ala na a ụzọ nke nwoke gametes. Ọdịdị nke ifuru nwere ike jiri ya tụnyere a inwego nke a multistory ụlọ.
Eru ovary otu spermatozoon-ejikọ ndị egg-etolite ẹmbrayo nke mkpụrụ. Na ya na-niile akụkụ nke ga-eme n'ọdịnihu nke osisi. Nke a na-amalite amalite mgbọrọgwụ, stalk, akwukwo na gemmule. A abụọ spam fuuz na Central izizi cell. Dị ka a n'ihi nke ha njikọ a kpụrụ endosperm, nke na-eje ozi dị ka a idobere potassium. N'ime oge ahụ, kpụrụ n'ime mkpụrụ mkpụrụ. Ọ mejupụtara nke ẹmbrayo, na endosperm oyi akwa nke bee. Mkpụrụ bụ ịmụ ọmụmụ akụkụ nke okooko osisi.
Mkpụrụ angiosperms
Otu nke elu atụmatụ nke okooko osisi bụ na ha osisi na-echebe. Ebe ọ bụ na mkpụrụ angiosperms kpụrụ si ovary pestle chebe mgbidi ya n'ime-emepe emepe nkpuru-niile oghom gburugburu ebe obibi na ọnọdụ. Nke a ịmụ ọmụmụ akụkụ nke osisi mejupụtara mkpụrụ pericarp, nke, n'aka, na-ekewet atọ n'ígwé: ná mpụta, n'etiti na n'ime. Dabere na Ọdịdị iche akọrọ na kemmiri mkpụrụ. Dị ka ihe atụ, udara na piom drupe nwere elu membranous, uru ọkara na ossified n'ime n'ígwé.
N'ihi na-etolite mkpụrụ angiosperms
Na ọtụtụ nke ikpe, nwa ebu n'afọ na angiosperms amalite si ovary mgbidi nke pistil. Na nke a, a na-akpọ ugbu a. Ihe Nlereanya nke ndị dị otú ahụ akụkụ na-na-drupe, beri, agwa, igbe, achene. Ọ bụrụ na Otú ọ dị, e guzobere mkpụrụ na-aka na ndị ọzọ akụkụ nke ifuru, ọ bụ ụgha. Nke a nwere ike proliferating awụnye calyx. Ụgha mkpụrụ bụ kemmiri polyspermic apple, nke bụ ihe e ji mara bụghị naanị maka eponymous nnọchiteanya Rosaceae ezinụlọ, kamakwa maka nke quince, ugwu ash, ọhịa bilie, hawthorn, irgi. All maara na nwa na-acha uhie uhie currant, elderberry, goozberị, kranberị, dogwood nwere a yiri Ọdịdị.
Structure na nhazi ọkwa nke mkpụrụ osisi
N'ihi na mkpụrụ angiosperms evolving akụkụ nke ifuru, Ọdịdị nke ha interconnected. Ọ dị mfe iji gosi na. Ka ihe atụ, ọ bụrụ na a pestle na ifuru, ọ na-kpụrụ nke otu ọnụ ọgụgụ nke ndị dị mfe mkpụrụ osisi. N'ihe ebe multiple ovary gwakọtara ọnụ, akpụ a mgbagwoju ịmụ ọmụmụ ngwa. Nke a na-eme mgbe ndị raspberries. Mkpụrụ a - n'ihi anọ na nke a ukwuu nke drupes. Na strawberries na strawberry obere akụ na-mikpuru na lush na meaty isi awụnye.
Mkpụrụ osisi na-jikọtara n'ime iche iche nke ọtụtụ mgbakwasị. Nke mbụ bụ na ọnụ ọgụgụ nke osisi. Na nke abụọ - karịsịa Ọdịdị nke ahụ pericarp. Dị ka mbụ feature ọdịiche otu- (drupe, achene) na polyspermous mkpụrụ (tomato, Capsule). Dị ka nke abụọ mma - kemmiri (ilu oroma, ugu), na akọrọ (agwa, ukpa).
Pụtara mkpụrụ osisi na ọdịdị
Mkpụrụ ndị dị oké mkpa maka nkesa nke osisi na osisi dispersal. Na a kemmiri ihe na tọrọ ụtọ na-echebe shei, ha a mmasị na-emeso n'ihi na ọtụtụ ụmụ anụmanụ. Iri mkpụrụ osisi, herbivores n'out oge kesaa osisi, na-akpụ akpụ site na ebe ebe. pericarp n'ígwé bụ a pụrụ ịdabere na nchebe nke osisi si mgbanwe gburugburu ebe obibi na ọnọdụ, okpomọkụ ọdịiche, enweghị mmiri na okpomọkụ. Mmadụ nwere ogologo-eji mkpụrụ maka nri, artificially bred ọtụtụ ụdị mkpụrụ osisi, tomato, melons na gourds na nri ubi. Kwa afọ, breeders, ọkà mmụta sayensị na-eke ọhụrụ ụdị nke osisi na-elu zaa.
Ya mere angiosperm mkpụrụ mgbidi kpụrụ si pistil ovary na ndị ọzọ na ifuru akụkụ: a awụnye ma ọ bụ carpels. Na nke ọ bụla, mkpụrụ bụ n'ihi nke mmepe nke ifuru, okpukpu abụọ njikọta , na-eme dị ka osisi ịnọgide.
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