Hanganga, Mātauranga Tuarua me ngā kura
Te whakaahua i te tukanga o te nakunaku kai me te hydra: ngā whaiaroaro o coelenterates
"Te whakaahua i te tukanga o te nakunaku o kai me te hydra" - ki te mahi i te mahi taua e tino kore katoa. I muri i te akoranga kararehe kura e kore te rawa ngā ki te whakaaro i te mea. Tahi, kia tāmata tatou i to tatou mohio me titiro i te āhua o te hydra whāngai.
āhuatanga hanganga o te Hydra
Wai māori hydra Ko te māngai angamaheni o te momo Coelenterata. Ko reira he tauira o te ako kararehe multicellular pehea tenei kotahitanga nahanaha. āhua Body Hydra rite te kakau iti, piri nei ki te turanga. kia mahi ratou rite te raro o te hāroto, toka atu tïpako ranei. I te mutunga noa o te tinana kei kāwai. Ki te to ratou hydra kaha whai kararehe iti moana pērā i ciliates, waimāori iti ranei ētahi wā noa parai ika.
Whāiti i o ngā pūtau
tonu tatou ki te mahi i te mahi "Te whakaahua i te tukanga o te nakunaku o kai me te hydra". Hei matau tenei pātai, te tuatahi kitea koe i roto i pehea ki te whakarite i tenei kararehe. Ahakoa te meka i te hydra ko te rauropi multicellular, te papanga nei e kore ia e. Otiia e kore e he tona tinana kua hanga e nga pūtau taua, me motuhake, ia momo o e mahi tona mahi. Na, ki te awhina o kiri, me te uaua Hydra nekehanga. Ko te pūtau io marara puta noa te tinana, kawea atu i te hononga ki te taiao. He he he tinana o te hydra me tohuhema - hua me te parāoa. kawe ratou i te tukanga o coelenterates uri fakasekisualé.
He aha a pehea ki te whangai i runga i Hydra
kararehe Iti-tahi, me te whai tuaiwi, e neke tata te hydra waimāori, he hoki ia he taonga tino ngāwari. mau ratou e Animal ki te kāwai, ka tonoa ki te lumen intestinal mō te nakunaku atu. Otiia i mua i taua kararehe paralyzes tona taonga. He Āhuatanga Hydra i te aroaro o ngā pūtau stinging. Kei roto i ia o ratou o te capsule i ai te miro miro. Ko makawe tairongo pūtau stinging Top. A, no te haere mai te reira ki te pārurenga, tahuri te miro, me te kaha werohia ki te tinana. Ki te tomo te tinana tenei i roto i te hanga paihana, he reira tino paraliziruyuschy. pūtau stinging mahi tona mahi kotahi anake, ka mate. Otiia i roto i te tinana o te hydra puta tonu hou. Ko e tika ana ki te wehenga o ngā pūtau mātauranga, e hoatu ara ki te tahi atu momo katoa tenei.
kōhao intestinal
Na, te whakawhetai ki te mahi ruruku o nga kawekawe me ngā pūtau stinging production ko katoa i roto i te lumen intestinal o te hydra. Here te whai wāhi i te reira ki whākōkī ngā pūtau glandular. hua ratou kaiwhakakökï koiora, i raro i te mahi o nei te wahi i te wahi nui o te kai ki whatiwhatinga. Kei te mea te reira e te pūnaha kūnatu o ngā momo katoa o Māngai Coelenterates katia momo. Ko reira tino tahito ra i roto i te hanganga me te e māngai e anake te waha tuwhera, me te kōhao intestinal. Kei te ngaro te toe wāhanga. tikanga o tēnei e e nekehia atu otaota kai pukupuku i roto i te mangai. O te akoranga, ko te tino ohie, me te tahito tenei pūnaha kūnatu. Heoi, ki te whakaaro tatou ki te mea i roto i te marama o te kukuwhatanga, ka taea e tatou kite me ngā āhuatanga ahu whakamua. Ki te nga kararehe tuatahi multicellular - kauae - tukanga tātari Power kanohi matūriki kai i te wai, te hydra takitahi hopu, te mea he repe orotahi me waha ana i roto i te maimoatanga matū o te kai. Na e taea te whakaaro te hanganga he pōauautanga ki te kanohi tahanga. Here wāhanga whakatata tatou te whakautu ki "Te whakaahua i te tukanga o te nakunaku o kai me te hydra".
nakunaku pūkoro
Ko kōhao tukanga nakunaku intestinal i roto i hydra, rite coelenterates katoa e kore e iti. I muri i te mimiti haere ki whatiwhatinga o matūriki iti e whai wāhi ratou ki ētahi atu hinonga motuhake. Tenei pūtau kūnatu e kua kitea i roto i te kahu roto o te tinana o te wai hydra. E ratou ratou ake flagella, e e taea ki te whakaputa i te awa o te wai. Ki a ia te kai tae te mata o enei pūtau. Next, hopu tona waewae teka. Ko te kupu ko pūtau motuhake te kai i roto. wahi tenei Ko te wāhanga whakamutunga o te tukanga nakunaku. mutu te reira i roto i te vacuoles kūnatu te whakamahi i whākōkī hydrolytic. Reira i hanga ano hoki e nekehia atu nga toenga pukupuku i roto i te mangai.
Ko te kupu, mo te wai māori hydra nakunaku wā kotahi angamaheni o e rua ngā momo: cavernous me pūtau. Puta ana te tuatahi i roto i nga lumen intestinal mā ngā pūtau glandular te huna hoki whākōkī mō te nakunaku o kai. Ko te tuarua ko te wā whakamutunga. Ko reira huru o ngā pūtau motuhake me vacuoles kūnatu. whakaaro ahau e nei te mahi "Te whakaahua i te tukanga o te nakunaku o kai me te hydra" e kore e meinga tangata raruraru.
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