Polyp Hydra - nesiminzi ezingavamile

Hydra - kuyinto umndeni okhethekile, ilungu ekilasini hydroids uhlobo coelenterates. Bahlala kuphela angenasawoti, ikakhulukazi some nge duckweed. Bakhetha ukwakha kule izindawo ezigqame kakhulu emadanyini emaxhaphozini, njengoba like elangeni. Zidla on amanzi namazeze, ezincane izibungu omiyane, gazinga, Cyclops, vodoemnym plankton.

Polyp Hydra iyafana ngosayizi ukuba uhlamvu ibhali. Yena angenisa ukukhanya, imibala lemicu empunga elinamathela othini. Ngakolunye uhlangothi it has a imbobo, okuyinto ethatha njengoba ingaphakathi futhi ehlose kukhishwe imikhiqizo imfucuza ezungezwe ihambe. Ngakolunye uhlangothi kuyinto okuthiwa yedwa abasebenza ngazo kulo inamathela umile kwamanzi.

Umzimba siqukethe izinhlobo ezimbili iseli - zangaphakathi nezangaphandle. Zonke wezangaphakathi - kungcono nje ngalo ingaphakathi emathunjini. Ukuphefumula wenziwa kulo ebusweni nomzimba.

Ngokwamukela sesimweni esigculisayo esibhedlela, angenasawoti Hydra zilimaze ilindele isisulu. On the tentacles kukhona cilia amancane ezisiza ekuboneni impango lusondela. On Hydra surface body ngokwezinga elikhulu phezu ihambe, kukhona amaseli nge izinwele projecting equkethe capsule ushevu. Ngo ukuxhumana ukukhiqizwa yeseli ezinjalo, ekubambeni ushevu obulala wakhe. tentacles Hydra odlulela inyamazane emlonyeni futhi iphuza ke.

Polyp Hydra - nesiminzi yangempela. Uyakwazi ukudla inani lokudla kathathu ngaphezu kwamaminithi yayo. ukudla Kugwinyiwe ku mafutha anciphisa isikhala esingaphakathi emathunjini, okuyinto kugaywe ngokushesha samaqanda.

Uma izimayini abathi emibili Hydra, baqala ncela umhlatshelo nhlangothi zombili. Lapho yoxhumana naye inkulu, okunamandla ukugwinya ezincane. Kodwa indida, Hydra kugwinywe akafi. Ngemva kwesikhathi esithile ke kuqubuka kusukela GUTS ukugwinya. Njengoba sengineminyaka mafutha anciphisa isikhala esingaphakathi emathunjini ekuhlenga, "otryahnuvshis", aluthole ukhululekile endaweni, izinduku yiqhwa ilindele ukudla.

Hydra angenasawoti akwazi ukwanda ngezindlela ezimbili: luthela (asexual) futhi sokuhlukanisa (ngokocansi). Ngo indlela yokuqala ukhiqiza eyodwa noma ngaphezulu neziqu emzimbeni waso, okuyinto, lapho sesiphelele, bahlukaniswa 'ngomama. " Ukuze uthole ngenyanga Hydra uyakwazi ukudala kufika ku-15 zezintaka zazo siqu. Le ndlela elula iyakhiqiza impela ngoba iningi lezingane ngakho etholwe, uyasinda.

Samuntu yesibili isebenzisa esiphelweni uma yokuntuleka kokudla. Ezimweni yokungondleki kumiswa lwegciwane amaseli. Futhi kwezinye zezinhlobo amaseli besilisa akhiwa, futhi ngakolunye - abesifazane. Emva kokukhulelwa, kwakheka iqanda is, kuyilapho umuntu omdala uyafa, futhi kwaphumela Iqanda nokucwila kuze kufike phansi. Ngemva elele isikhathi esithile, ngoba zingase zimiswe entwasahlobo we Hydra, kodwa kaningi lufa.

Amachibi polyp Hydra kakhulu ezimpilweni zabo namanje. Uma kudingekile, angase ukuhambisa, ezihambayo eguqa ematheni umzimba. Yokuthola ikhaya elisha, ke ukusivumela.

Polyp Hydra has a ikhono eliphezulu ukuba alulame elahlekile noma ezilimele izitho zomzimba (ezivuselela). Lapho asike izidumbu zabantu okungafanele komuntu oyedwa zibe izingxenye ezimbili, ngisho engalingani, iba Hydra ezimbili. Ososayensi baye babonisa ukuthi Hydra kwakuthiwa ongafi.