Kukura - ndiko yokukudza uye uremu zvipenyu. Kukura

Zvipenyu akure. Muviri wose anotanga rwendo waro sero rimwe chete. Zvishoma nezvishoma, nyama uye nhengo dziri aumba. Kukura zvipenyu - hazvisi chinhu chimwe. Urefu - ichi kuwedzera kukura uye uremu. Asi zvipenyu uye nokudaro nomunyika dzakatevedzana transformations kuti anosanganisira urongwa hwakadai kukura.

Chii kukura mupenyu muviri?

Funga achangozvarwa. Rine zvose zvinoitwa mukuru, asi zviri duku chaizvo. Mumakore vana vari vakakura uye zvishoma nezvishoma kuva vakuru. uku - kukura kana kuwedzera kukura uye guru zvipenyu. Asi mucheche aimbova kamuri chete, iyo zvino ikava zygote, ipapo muchero, uye zvadaro mune mwana duku.

Mune dzimwe Utachiona, kukura hunobatanidzwa kuti yakakura kushanduka. Somuenzaniso, rimwe fura fura. Iye anotanga kuva dukutu, ipapo ichichinja kuita nomupedzachose, zvadaro chrysalis umo nhunzi vane wakanaka shavishavi. Zvinhu zvose zvipenyu akure.

Saka, zvinomera zvinobva kuna mbeu uye ndive mukuru muti, ruva kana shrub. Vamwe zvinenge panguva kukura varambe zvakafanana chitarisiko vabereki vavo, uye vamwe vangava ukachinja zviduku - zvose zvinoenderana genetics.

Kukura - tiri mumwe chete?

dzimwe nguva pfungwa mbiri idzi vari kuita kuchinjaniswa, asi zvakadaro kukura zvipenyu dzinorondedzera nomumwe zviitiko kukura masangano. Development - ndiko kunoita kubva kwokutanga kusvika kwapera nzendo ichiibvira Somuenzaniso, mbeu achikura kuva munhu muti ruzivo. Ndiwo mutoo uyo anoumba munyama, nhengo uye rose miti. Kunosanganisira kukura, morphogenesis (kutenga chimiro uye mamiriro) uye Kusiyanisa. The kukurukurirana kwezvakatipoteredza uye nemagene mirayiridzo, nhaka masero akatsunga nokuda sei zvichakanganisa kuva yakananga muviri.

Kukura - haisi nokuwedzera kukura uye uremu zvipenyu, zviri chinhu kusingarapiki shanduko iri kukura masero uye nhengo nokuda weboka ravo uye kuwedzera. Saizvozvo chinoitika kuti, wakati asvika imwe Danho, izvi DZEMUNHU DZINODZORA kana kudzivirira, asi dzimwe nguva masero arambe achikamuka kusvikira kunguva isingazivikanwi (zviri zvimwe zvinomera).

Plants vakasiyana mhuka kukura kwavo. Saka, sezvo mhuka kanokura yose kumativi miviri yavo vachikura kusvikira wasvika rimwe zera iri majini chimwe mhuka. Kukura zvinomera, Ukuwo, mberi kwoupenyu uye ndeyevanyori chete zvimwe meristems.

Kukura tichitarisa biomass

Kuwedzera kukura uye vakawanda zvipenyu zvinogona hunoyerwa biomass, i.e. kuziva uwandu makemikari zvinhu kunze mvura. Nhengo rinokura nokuda mitotic kupesana (mitosis). Izvi achabatsirwa kuwedzera muchitokisi kukura. Saka, kuwedzera kukura uye uremu zvipenyu - kukwirira wavo - mumwe zvikuru zviri zvose zvipenyu, pamwe pamberi muviri, kugona kupindura mikana yakawanda yokukurudzira, masangano, uye zvichingodaro maberekero.