Flatworms. abanye abameli

Yinto eyaziwayo ezilishumi nesiqingatha iintlobo amawaka flatworms. Bonke bephela yahlulwa ibe ziindidi ezintathu. Iklasi lokuqala luquka turbellarians (ciliary), owesibini - flukes, eyesithathu - tape flatworms.

ke kwathi ngexesha Proterozoic. Yaba izilwanyana zokuqala umaleko emithathu macala mazwe. Njengomgaqo, flatworms amarhamncwa awadli lenyama. izilwanyana Live emanzini.

ntshulube tyaba olwaye lwamfimfitha wavela kancinci kamva. Bona luphawulwa utshintsho ngazinye amalungu okucola, izivamvo. Ingene kule flatworms kumzimba izilwanyana, abantu okanye umzimba ntlanzi. Balala Ityhefu, ukugula kakhulu, ukudinwa, kwakunye umonakalo kakhulu kwinkqubo yegazi. flatworms ixabiso Medical laliqulunqwe kuqala yi Scriabin. Academician aba yonke kwezesayensi - Helminthology. Olona phawu lokwahlula kuba phambi kweentlobo olwaye lwamfimfitha izixhobo ezahlukeneyo (idioadaptatsy). Ngoko ke, ezi zilwanyana zifumaneka lana izikhonkwane. Bona lubonakala enkulu kunye nokuchuma.

flatworms Ciliated

Le iklasi iqulathe malunga namawaka amathathu iintlobo. Zihlala ikakhulu kumanzi fresh naselwandle. Kuyenzeka Izakufunyanwa emhlabeni.

Enye abameli turbellarians yi zobisi (abamhlophe) Planar. Yena uhleli ngamanzi ahlaziyekileyo. umzimba waso igqabi-emile, a isiphelo etsolo angasemva waza waphuma phambili. Ubude planarians umyalelo ngeesentimitha omnye ukuya kwemibini.

Veliswa olu hlobo ikhutshwa phandle bobabini ngendlela maqanda nangokwesini. Kwimeko yokuqala ukwahlulwa umnqamlezo umzimba ibe ziinxalenye ezimbini.

uhlelo zokuzala Hermaphroditic kwaye zilungiswe nzima kakhulu. kwezichumiso Cross.

flukes

Le iklasi imelwe iifom flatworms olwaye lwamfimfitha. Ziphila yoluntu ezinomqolo amalungu, kwaye nazo zifumaneka ezingenamqolo. Kukho malunga namawaka amane iintlobo zezi iintshulube.

Ummeli omnye - liphiko wesibindi. Ubungakanani umzimba wayo yemigca-ezifana malunga ezintathu - sentimitha ezintlanu. Abadala abahlala bile duct kwesibindi, inyongo esinyini abantu uhlaza. Kwicala ventral kunye ngomphambili womzimba wakhe ngumtya esiswini nangomlomo. Ngoncedo zezi zixhobo flukes uyakwazi ukugcina emzimbeni host. Kufanele kuphawulwe ukuba ezi zidalwa kunokuba kakuhle kuphuhliswa izitho. indiza nje emanzini, Imibungu amehlo.

Flukes iintlobo ezininzi kakhulu. Ukususela omnye phakathi evekini angaya ukuya amaqanda kwesigidi. uphuhliso ngakumbi wenziwa kuphela emanzini. Ichibi wabumba amaqanda abe kwindawo, ekufuneka kweyela umkhosi eliphakathi.

Maqanda division ezidla kwenzeka kumzimba wenkumba (host eliphakathi). Ngenxa yale yokuzalela livelise isizukulwana lonke kombungu, ogama isakhiwo kufana ubume abadala. Emva koko baya kuphuma udaka umzimba ndizihlalise phezu lona lisiza yonxweme. cysts senziwe. Phakathi kwezi mibungu ingaphila ixesha elithile. Kunye nezinambuzane ukutya okanye amanzi angena emzimbeni womntu okanye isilwanyana.

flukes Isibindi - hermaphrodites. ukuzala oluqhutywa emzimbeni host lokugqibela.

tapeworm

Esi sigaba malunga namawaka amathathu iintlobo ngeentlobo olwaye lwamfimfitha. Ahlale phantse zonke kuphela emathunjini zabantu kunye ekuyo ezahlukeneyo.

Intshulube emzimbeni ribbonlike eyenziwa intamo (isabelo apho ziqwempu ubuntwana amathupha), yaye inxalenye entloko, nganye kuphindwe inkqubo Italasi ukuzala. ziqwempu abaqolileyo zicwangciswe kummandla ngasemva lomzimba uzaliswe amaqanda ivundiswe.

Intshulube unokuba ubude ukusuka malunga 0.5 omise ukuya ngeemitha ezilishumi.

Ilungu iklasi na tapeworm lenkomo. ukukhula kwayo kuvela wesibeleko. Xa abadala lenkomo tapeworm ekumfimfitheni ngokufaka kwiindonga wequmrhu iilekese ezine emathunjini amancinci ebantwini.