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Ixoxo linoma yilungu leqembu elihlukahlukene futhi elihlala emanzini ezinomzimba omfushane, ezingenamisila ezakha uhlelo lwe-I-Anura (ezivela esiGrekini sasendulo ἀνούρα, ngokwezwi nezwi 'engenamsila'). Izinhlobo zamaxoxo ezinomzimba osiqinile ngenxa yezindlala ze-parotoid ezifana nezibungu zivame ukubizwa ngokuthi amaxoxo, kodwa umehluko phakathi kwamaxoxo awusebenzi kahle futhi uwumzimba nje, futhi awubonisi indlela yokubonisa nokuhlela noma umlando wokuziphendukela kwemvelo.

Amaxoxo asakazeke phansi, kusuka ezindaweni ezishisayo kuya ezifundeni zaphesheya, kodwa inqwaba enkulu yezinhlobo ezahlukahlukene emahlathini emvula asezindaweni ezishisayo nasezindaweni ezingamaxhaphozi ezihambisana nawo. Zihlanganisa cishe u-88% wezinhlobo zezilwane eziphila emanzini nasezweni, futhi ziyingxenye yezinhlobo ezinhlanu izilwane ezinomgogodla. Izinsalela ezindala kakhulu zexoxo" .amaxoxo zaziwa kusukela ku-Early Triassic yaseMadagascar (iminyaka eyizigidi ezingama-250 edlule), kodwa isikhathi se-molecular sisikisela ukuthi ukuhluka kwazo kwezinye izilwane eziphila emanzini nasezweni kungahle kufinyelele ngaphambili kwesikhathi se-Permian, eminyakeni eyizigidi ezingama-265 edlule.  

Amaxoxo amadala anomzimba oqinile,amehlo aphumayo, ulimi olunamathiselwe ngaphambili, imilenze egobekile ngaphansi, futhi awunayo umsila ( wAmaxoxo anemisila). Amaxoxo anesikhumba esithsmbile, esinezithako ezisukela kwezingaphambeki kuya kwezingaphithi. Isikhumba sazo sihlukahluke ngemibala kusuka ensundu, empunga noluhlaza okotshani, kuya kumaphethini abomvu ngokugqamile noma aphuzi nomnyama ukubonisa ubuthi nokuvimbela izilwane ezizingelayo. Amaxoxo amadala aphila emanzini ahlanzekile nasendaweni eyomile; ezinye izinhlobo ziphila ngaphansi komhlaba noma ezihlahleni. Njengoba isikhumba sazo singena kancane, okuzenza zithinteke kalula ekuphelelweni amanzi emzimbeni, zingahlala ezindaweni ezinomswakama noma zibe nokuzivumelanisa okukhethekile nezindawo ezomile. Amaxoxo akhiqiza imisindo ehlukahlukene, ikakhulukazi ngenkathi yawo yokuzalela, futhi abonisa izinhlobo eziningi ezahlukahlukene okuyinkimbinkimbi ukuheha abangane, ukuvimbela izilwane ezizingelayo futhi ngokuvamile aphile.




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