Nā hōkeo ': "No ke aha la e flowering mea kanu fertilization kapa papalua" këia i loko o ke ono paha o ka papa. Naʻe, i na makua ke wehewehe i nā intricacies o ke kaʻina.
Mea kanu, e like nā mea a pau e noho ana paʻi, ka hoʻohana 'ana ka papa kuhikuhiE aoao ekolu. Ka mea mua o ka vegetatively,ʻo ia hoʻi, ka hou kanu mai mai o kekahi hapa o kona "makua" - aa, kumu, lau, a he hookahi halepaahao. Ka lua ua kapaia asexual, no ka mea, o ka mea kanu i waho mai, mai ka hihia, a e like me ka makua. No laila, hoonui fungi a me kekahi līoho. Ka loa holomua o ka fertilization o nā mea kanu moe ala.
I ke kanu aupuni, kēia kaʻina ia lŘlŘ ma kuʻi nukeliu o gametes i hiki e'ālike ma ka nui (isogamy), kekahi mau nui like 'ole (heterogamy) a fundamentally okoa mai kekahi i kekahi (oogamy). Mākou ke i aku nei au ia fertilization - he kaʻina hana pili kane (sperm) a me ka wahine (hua manu) gametes, kūpono ana ma ke kahua aeea me ka papalua kau o chromosomes (ka zygote), a me ka mai a e ia i ka hou laau.
No ke aha la fertilization ma flowering kanu kapa papalua? Eia ka mea, he hana reproductive nā loko - pua. Kona ke keʻena māhele i ka stamen filaments me anther (i loaʻa ka pollen), ovary, kolamu, pistil (stigma c), pollen şarkı, i hele mai ai i ka embryo sac ma ka ovule. O papa i ke kula o ka kālaimeaola, he nui hoomanao i kekahi mea e pili ana i ka pistil a me stamen, a i manao i ka ke kumu o ka fertilization o flowering mea kanu kapaia papalua. Akā, i kēia mea,ʻaʻole i ka hihia.
Ma anther, e like me ua oleloia, ka mea, ua hana pollen, a he mau keena - nui vegetative a uuku ma ka nui, generative. I ka anther hōʻike, e halii mai i kēia mau kumu ma ka makani a me nā mea kolo. Once ma ka pistil (stigma 'ana ma luna o) pollen keena germinate no laila, i ka vegetative hapa i pollen şarkı pili i ka embryo sac. Ma kona generative aeea komo i ke eke kala, a ma ke ala o kona anal ua maheleia i mau sperm. Kekahi o ia hiki i ka hua manu, merges me ia, e hana i ka zygote, a ua pili i ka lua a me ka haumāna nucleus. Kēia kaʻina hana o ke kumu o ua kumu kapaia papalua fertilization i flowering mea kanu.
Kekahi kēia mea kanu ana hui pu iho kekahi mau ano o nā'ōlelo, a maoli he i ke ola ana o na? Ueo. A i kekahi manawa, i ka wa i kēia kaʻina ua pono i hanau ai, i kēia hana o ka'ōlelo i Ua loa nui, evolutionary kaʻina. O ke kumu ho i ka mea ana i ke kino hanaia ma ke kelepona hele kuʻi nukeliu me kekahi e puhi ia o chromosomes i noho nui variability a me adaptability i ke kaiapuni. Hoikehonua, physico-Nine Inch haʻawina i hōʻike ana 'īnea i nā'ōlelo o ka laau luna' ma ke ano. No ka laʻana, ka mea, ua loaʻa ia pollen a me ka stigma mea o kekahi pH, kekahi mau pae o ka kumuʻiʻo isoelectric kumu, okoa'ūhū a me ka'aminoʻakika haku mele 'ana, a, nae, ka paipai' ana e pono ai physiological keʻano o ka hanaʻana liu ka wā ai pili aku i kēia mau keena.