Zifa avaliwe isimiso sokugaya ukudla bungene uneminye izilwane?

Inani inqubo ukugaya futhi umzimba izidakamizwa ukuze eziphilayo kunzima impela overestimate. Ngempela, khona ngaphandle akunakwenzeka. Kulesi sihloko sibheka ngokuningiliziwe lokho okushiwo yinkulumo ngalezi zinqubo, ikakhulukazi isakhiwo kanye nezinhlobo kokudla emaqenjini ezihlukene zezilwane.

Kuyini umzimba?

Nutrition yisici ebalulekile wonke ophilayo kanye ukuphefumula, ukunyakaza nokukhiqizwa nezimo. Imisebenzi ye- wokugaya ukudla, ngokuyinhloko kuba ukusebenzisa umzimba. Bangenela umzimba, basuke iguqulwe, bese okukhipha therefrom. Lomsebenzi wenziwa hhayi kuphela isimiso sokugaya ukudla bungene. Ngokwesibonelo, ngenxa yomsebenzi zokuphefumula zonke emangqamuzaneni omzimba enikeziwe umoya-mpilo futhi ukhiqiza-carbon dioxide.

Imisebenzi wokugaya ukudla

Kuhlelo okugaya ukudla, amaphrotheni, ama-carbohydrate, lipids, nosawoti wamaminerali, amavithamini namanzi kufakwe ukubunjwa imikhiqizo ehlukahlukene babhekana kuhlasela mechanical futhi amakhemikhali. Lokhu proihodit ngoba umzimba ayikwazi ukugaya kubo zinjalo. Ngakho-ke, zonke izinto kule ipheshana wokugaya ukudla ahlukaniselwe ezincane, kuthiwa angena egazini futhi wafunda. Ngenxa yalokho, umzimba uthola amandla awadingayo ukuze zonke izinqubo zokuphila.

Ingabe kukhona ukuphila ngaphandle isimiso sokugaya ukudla bungene kungenzeka?

Uma uthi nhlá lo mbuzo ungase uzwakale uyisimanga. Kodwa zikhona izilwane akudingeki ukuba ngivule izakhamzimba. Bawathola ngomumo eyenziwe. Lena izibungu yisinanakazana ikakhulukazi. Zihlala amathumbu bezilwane nabantu abavela mapayipi. Ngokwesibonelo, ummeleli we-Ezikelemu ekilasini - tapeworm sezinkomo ubamba izakhi ngokusebenzisa izembozo. Ngesikhathi esifanayo kudala umonakalo elisemqoka kuya umzimba aphethe, ushevu Ukukhetha bakhe ukudla.

Izinhlobo wokugaya ukudla isakhiwo uhlelo

Isakhiwo isimiso sokugaya ukudla bungene kungenzeka ngezinhlobo eziningi. It incike indlela yokudla. Izilwane eziningi ngokusebenzisa isimiso sokugaya ukudla bungene. It imelelwa tube ubude ezahlukene, kokuvula emikhawulweni yomibili. Ngakho, linikezwa isilwane ngomlomo ingaphakathi, pharynx, emphinjeni, esiswini, amathumbu kanye ingquza, okuyothi ivelele ukudla undigested. Zifa avaliwe wokugaya ukudla kukhona wonke amalungu Coelenterates hlobo. is it bahlelwe njani?

Kuvaliwe isimiso sokugaya ukudla bungene

Isikimu wokugaya ukudla simiso uhlobo avaliwe ingaphezu elula. Lona umlomo futhi ingaphakathi emathunjini. ngaleyo ndlela ukudla Undigested ezisalayo aphumele ngaphandle kuba ngomlomo. Zifa ivaliwe isimiso sokugaya ukudla bungene abe Hydra, jellyfish futhi ama-polyp. Ziyakwazi izindlela ezihlukahlukene zokuphila. Kodwa nokwakheka izinhlelo isitho lehambelana nemandla izindlela. Bonke eziyingozi. Basize ukuzingela ihambe, okuyizinto ezikhethekile amaseli kabuhlungu. Zakhiwa amaphilisi ne-acute ntambo nesisontekile, okuyinto izophela inaliti abukhali. Uma uyikha phezulu le amaseli ezifana izinwele ebucayi. Uma kuziwa umzimba isisulu sika, intambo esintinyelayo reflex ngamandla osebenzisa futhi eluma emzimbeni ukukhiqizwa, okukhwantabalisayo ke. Uma uke wazizwa ezishile ka jellyfish, ungakwazi kalula cabanga ngomphumela lezi zokwakheka. Ngu ukukhiqiza ukudla, intambo esintinyelayo bafe ngokushesha futhi ingasakwazi ukwenza imisebenzi yaso. A ifomu elisha nge ezahlukene cell hlobo - imfundo.

uhlobo Coelenterates

Zonke amalungu kule yunithi abe ehlelekile isilwane ingaphakathi emathunjini. Nge lesi sici, isakhiwo, futhi ezihambisana igama labo. Zifa avaliwe wokugaya ukudla kukhona Hydra ngokuyinhloko angenasawoti. Banamathele yokuphila. ematheni yabo luxhumanisa esisogwini substrate futhi ngakolunye uhlangothi somzimba emlonyeni. Lizungezwe ihambe, ezisetshenziswa ukuze uthwebule inyamazane. Lawa ezinamagobolondo, izibungu isinambuzane kuphela nezinhlanzi ezincane. Uma ngokusebenzisa tentacles ngaphakathi inesikhala emathunjini, ukudla is phansi isenzo enzyme ukuthi akhiqizwa namangqamuzana akhethekile yezindlala. Ngaphansi kwethonya lezi yelikhono begazi, inqamuka ku izingcezu ezincane. Inqubo uyaqhubeka wokugaya ukudla Hydra amaseli odongeni engaphakathi omzimba abe pseudopodia. ukugaya yaqedwa ngo vacuoles ekhethekile. A izinsalela izinto ziya excreted ngomlomo. Ngokufanayo, kuyenzeka futhi jellyfish futhi polyp, kokuba ivalwe isimiso sokugaya ukudla bungene.

Uhlobo Flatworms

Zifa avaliwe wokugaya ukudla kukhona wonke amalungu uhlobo izimpethu flat. It imelelwa emathunjini phambi nemkhatsi, ophela zifa. Njengoba for ukumuncwa futhi ukwabiwa kokudla ngumlomo. Naphezu kweqiniso lokuthi flatworms hola inkazimulo amagciwane ayingozi kakhulu kubantu nasezilwaneni, phakathi kwabo kukhona khulula-eziphilayo. Lezi zihlanganisa zasolwandle nasemanzini agelezayo planarians. In imvelo yasemanzini bayazingelana hydras, ezinamagobolondo, izilwane, izimbaza izibungu izinambuzane. Futhi inyamazane bona uthwebule ngendlela engavamile. ukukhasa Planarian emzimbeni lohlaselwayo, unamathele lezi yabo ngomlomo futhi ulisebenzise ukumunca sonke okuqukethwe isisulu. Lokhu kungenzeka ngoba lomunye izici engavamile kwesakhiwo. Iqiniso lokuthi emlonyeni flatworms khulula esisogwini esiswini yabo.

Ngakho, ukwakheka isimiso sokugaya ukudla bungene ngokuyinhloko kuxhomeke endleleni umsoco isilwane. Futhi coelenterates, futhi flatworms ezihlala usawoti namanzi okuphuza, kukhona eziyingozi. uhlelo yabo wokugaya ukudla zifa ivaliwe futhi inikeza umgodi noma tube nge ukuvulwa olulodwa ozinikele lapho ukudla enikeziwe futhi, ngemva kokuguquka futhi excreted.