Hea coelenterates ngaungau kai: rawa whaiaroaro

Wai māori hydra, kakaru me rupi - he angamaheni o coelenterates kararehe e te hunga multicellular. He aha te momo o te āhua noho e ratou arahi? Te kai? Hea ngaungau coelenterates kai? Pahonoraa ki enei a he tokomaha atu ngā pātai e taea te kitea i roto i to tatou tuhinga.

āhuatanga General o coelenterates

Ahakoa te meka e he multicellular ratou, coelenterates kahore kopa. Na, kahore ratou, i nga okana. Coelenterates ulungaanga ia ko te aroaro o ngā pūtau motuhake e hanga te tinana apa rua. huaina te waho ko te ectoderm. Kei te tito te reira o takawaenga, stinging, kiri, uaua, sex me te karere ngā pūtau.

Kiriroto - te roto coelenterates apa tinana. Ko wāhanga o te tinana te wahi ngaungau coelenterates kai tenei. A feruri i te āhuatanga whaiaroaro o tenei tukanga i te hi'oraa o te wai hydra.

nakunaku cavitary

e kore te mea ahei o te kaupapa kaha Hydra. Ko te mahi o te ahua o te Kahu mahi ratou kapu, i te taha ki te ritenga atu o nei ko te mangai. Kei te karapotia te reira e te kawekawe. Hea ngaungau coelenterates kai? Ka tīmata tēnei tukanga i roto i te kōhao tinana.

pānga Hydra waimāori iti me te torongū ika mā te whakamahi i ngā pūtau stinging. kawekawe anō tangohanga neke i roto i te mangai ki te kōhao tinana. pūtau glandular he wahi o te endodermal, taratahi ngaro motuhake, i nei te wehenga kai ki nga wahi takitahi.

nakunaku pūkoro

Te hanganga e whai ake nei, i reira digested te kai kei te coelenterates he pūtau kūnatu. E ratou flagella, e hanga he nāianei o te wai. Ki tenei kai e kawea matūriki ki te mata pūtau. He ka te wā i muri o tona wāhinga.

whai hoki pūtau kūnatu waewae teka. Tenei outgrowths cytoplasm tauiui noa. tango ratou i te kai, a ko reira i roto i te pūtau. He, i roto i te vacuoles kūnatu puta tukanga wāhinga whakamutunga. He taiea i roto i te mangai ano hoki toenga pukupuku.

Na, puta ngā matou i roto i te wahi ngaungau kai coelenterates. e tenei tukanga wahi i roto i te rua ngā wāhanga. coelenterates katoa he konihi. Ki pararaiha ratou pūtau stinging taonga parau. Kāwai e karapoti te mangai, neke ai ki te lumen intestinal. He tīmata te wāhanga tuatahi o te nakunaku, e teitei i roto i ngā pūtau kiriroto motuhake.