Pükohu Brown: he whakamārama poto o te tari

pükohu Brown He rōpū tau o ngā tipu e ora matua i roto i nga wai moana. Ki te rā, e waru anake momo mohiotia, i roto i te akoranga o te kukuwhatanga i oho ki taiao wai māori.

Tari te rimurapa: hanga tinana

He tinana multicellular nga ngā mema katoa o tenei tari - e kore e puka taiwhenua, me te rauropi pūtau o te oraraa whakakitea. Ko te rahi, ka taea e waiho ratou rawa rerekē - rite taea ngā tētē e mōkitokito, ka tae te maha o ngā mita i roto i te roa. Kia mohiotia otaota moana ā-tau, engari i reira ko te hunga e ora ake ki te 18 tau.

Ki te kōrero tatou e pā ana ki te āhua me te hanganga o te thalli, i reira he hoki kingi kanorau. kia ngā tinana rimurimu o kakawaea o paraharaha, peke, parāoa ranei rakau iti. Ki te tïpako he pūmau tipu ranei mā pūnaha anake rhizoids ranei.

Integument kanohi e te taiepa pūtau, e te nuinga o ngā o rua paparanga (e toru paparanga me he māngai). ngā tino te kahu uhi waho o matū pectin me hoki kei polysaccharides sulfated. roto i te kahu roto nuinga o muka cellulose.

Borax pükohu: hanganga pūtau

He āhuatanga nui o ngā pūtau nahanaha ko te aroaro o plastids. Ko te māngai o tenei rōpū o te tipu, he maha nui o iti chloroplasts pai whakawhanakehia-kei ia pūtau. Plastids i wha membrane. Tikanga, haere te membrane waho o te membrane pūkano tipumata ki te kiriuwhi karihi ranei. Ka rite ki hoki chlorophyll, i konei tukua atu puka A, C1 me C2.

I tua atu, i te plastids o ngä pükohu kei fucoxanthin, violaxanthin, zeaxanthin me beta-Peta, i te mea ano hoki he ulungāanga nui mo Plant Taxonomy.

Ko te karihi pūtau he kotahi anake, ahakoa i reira e etahi maha-momo. Ko te hua matua ko te hrizolaminarin manawapa whakatakotoria e te roto i vacuoles motuhake rite granules cytoplasmic ranei.

Rimurapa me te whakaputa uri

Ka taea te whakatipuria Māngai o tenei tari vegetatively, moepuku, me te asexually. I roto i te nuinga o ngā momo, pūruatanga kawea i roto i te wehewehe i te rau tuawhiti. Ko, hei tauira, ficus i runga i te kapu o te tinana i reira ko te rōpū o ngā pūtau motuhake e taea tahuri ki te mea rewa hou ina hiahiatia.

Ko te tukanga tōkai, tino maha kei te kawea reira i roto i na te tikanga o zoospores. he torutoru anake momo tā i te tikanga o te reo whakaritea tetraspor ranei. E te ara, zoospores me tohuhema - anake te puka o te oraraa flagellates rimurapa.

Ko te tukanga fakasekisualé, taea e te reira:

• Isogamous (parāoa me hua ko te rahi taua).
• Heterogamic (tohuhema tane, he wahine whai tohuhema rerekē).
• Oogamnym (He iti, me te pūkoro tohuhema tane, i nga wahine oogonia noho pahoho me rerekē te rahi nui).

Huri noa nga 80 o te rau tau 20 kua kitea etahi matū huna ana e te tinana i roto i te whanaketanga pükohu fakasekisualé. he mea rite pheromones, te ako kaha nei pumau ki tenei ra tenei.

Rimurapa me ngā māngai tino pai-mohiotia

Ko tētahi o nga momo tino pai-mohiotia whakaaro te huka rimurapa, ranei rimurimu. Te tipu he dissected nui rewa, ka taea e kia te roa o nei i te 1 ki te 14 mita. Ko te rau tuawhiti hanga ake he nui nui o te laminarin. I tua atu, whakaaro rimurimu te he tino puna o te iodine. I roto i te tahi mau whenua, ngakia tenei whakato te me mātātoa whakamahia i roto i te huamata me te tahi atu rihi. O Tal hanga hoki taero whakamahia i roto i te maimoatanga o te thyroid mate.

Ko hoki te Sargassum puninga mohiotia whānui, no te mea he reira e tika ana ki te tamau, thalli roa o enei tipu wai Moana Sargasso i te wa i kino rawa mo te kaukau.