Wadatacce
An kiyasta cewa a duniya akwai nau'ikan dabbobi miliyan biyu. Wasu, kamar karnuka ko kuli -kuli, muna iya ganin kusan kullun a cikin birane kuma an san abubuwa da yawa game da su, amma akwai dabbobi da ba a saba da su ba tare da yawan son sani da ba mu sani ba.
Wannan lamari ne na dabbobin ovoviviparous, suna da nau'in haihuwa daban kuma suna da halaye na ban mamaki amma masu ban sha'awa. Don ƙarin koyo game da dabbobi da gano mahimman bayanai game da su dabbobin ovoviviparous, misalai da son sani, ci gaba da karanta wannan labarin PeritoAnimal.
Menene dabbobin ovoviviparous?
Kai dabbobin oviparous, kamar tsuntsaye da dabbobi masu rarrafe masu yawa, suna haifuwa ta hanyar ƙwai da mata ke sanyawa a cikin muhalli (a cikin tsarin da aka sani da sakawa) kuma, bayan lokacin shiryawa, waɗannan ƙwai suna fashewa, suna haifar da zuriya kuma suna fara sabuwar rayuwa a waje.
Amurka dabbobi masu rai, mafi yawan su dabbobi masu shayarwa ne kamar karnuka ko mutane, amfrayo na bunƙasa a cikin mahaifa na uwa, suna isa waje ta hanyar haihuwa.
Wato, da dabbobin da ke da kwai suna tasowa a cikin ƙwai da ake samu a cikin jikin mahaifiyar. Waɗannan ƙwai suna fashewa a cikin jikin mahaifiyar kuma a lokacin da aka haifi ƙananan yara, nan da nan ko jim kaɗan bayan kwan ya fashe.
Tabbas, kun taɓa jin tambayar: wanene ya fara zuwa, kaza ko kwai? Idan kaji sun kasance dabbar ovoviviparous, amsar zata fi sauƙi, wato duka biyu a lokaci guda. Na gaba, za mu yi jerin da misalan dabbobin ovoviviparous sosai m.
Tekun teku
Tekun teku (Hippocampus) misali ne na dabbar ovoviviparous mai ban sha'awa, kamar yadda aka haife su daga ƙwai da aka sanya a cikin mahaifin. A lokacin hadi, dokin teku na mata yana jujjuya kwai ga maza, wanda ke kiyaye su a cikin jakar da, bayan wani lokaci na ci gaba, suna fashewa kuma zuriyar ta fito.
Amma wannan ba shine kawai son sani game da Dawakan teku amma kuma, sabanin abin da mutane da yawa ke tunani, ba ƙura ba ne, kamar shrimp da lobsters, amma kifi. Wani fasali mai ban sha'awa shine gaskiyar cewa zasu iya canza launi don rikitar da dabbobin da ke kusa da su.
Platypus
Tsarin platypus (Ornithorhynchus anatinus) ya fito daga Ostiraliya da wuraren da ke kusa, ana ɗaukarsa ɗayan dabbobi mafi ban mamaki a duniya, kamar yadda duk da kasancewa mai shayarwa tana da baki irin na agwagwa da ƙafar kifi, wanda ya dace da rayuwar ruwa. A haƙiƙanin gaskiya, an ce mutanen Yammacin Turai na farko da suka ga wannan dabba sun ɗauka abin wasa ne kuma wani yana ƙoƙarin yaudarar su ta hanyar sanya baki a kan gemun ko wata dabba makamanciyar ta.
Hakanan yana da ciwon idon sawu, kasancewa daya daga cikin 'yan dabbobin dafi masu guba da ke wanzu. Ko ta yaya, duk da an ambace shi sau da yawa a matsayin ɗaya daga cikin misalan dabbobin da ba su da kyau, platypus yana yin ƙwai amma ba ya ƙyanƙyashe nan da nan bayan kwanciya.
Kodayake yana faruwa a cikin ɗan gajeren lokaci (kusan makonni biyu), lokacin da mahaifiya ke haɗa ƙwai a cikin gida. Bayan barin kwai, 'yan kwikwiyo suna shan madarar da mahaifiyar ta samar.
Ƙara koyo game da platypus a cikin wannan labarin PeritoAnimal.
asp viper
DA asp viper (Asirin maciji), wani misali ne na dabbobi masu rarrafe da kuma macizai da yawa. Ana samun wannan nau'in dabbobi masu rarrafe a sassa da dama na Bahar Rum Turai, duk da cewa ba ta da tashin hankali ga mutane kuma ba ta da sauƙin samu, wannan maciji. yana da guba sosai.
Jin sunan macijin asp ba makawa ya zo da tunanin labarin Cleopatra. Ta kashe kanta ne lokacin da wani maciji mai kaifi ya ci amanar ta a cikin kwandon ɓaure. Ko ta yaya, Cleopatra ya mutu a Misira, wurin da ba a iya samun wannan dabbar mai rarrafe, don haka wataƙila tana nufin macijin Masar, wanda kuma ake kira Cleopatra's Asp, wanda sunan kimiyya yake. Naja heje.
A kowane hali, yawancin masana tarihi suna ɗaukar ƙarya cewa cizon maciji ne ya haifar da mutuwa, komai nau'in sa, yana mai cewa Cleopatra ya fi yin kisan kai ta amfani da wani irin guba, kodayake labarin maciji yana da ƙarin fara'a.
lycrane
Layin (Anguis fragilis) shine, ba tare da inuwa na shakka ba, dabba mai ban mamaki da gaske. Baya ga kasancewa ovoviviparous, yana da kadangare mara kafa. Yana kama da maciji, amma, ba kamar yawancin dabbobi masu rarrafe ba, ba ya neman rana ba tare da ɓata lokaci ba saboda ta fi son wurare masu ɗaci da duhu.
Ba kamar platypus da asp ba, da keystone ba guba bane kodayake akwai jita -jita sabanin haka. A zahiri, ba shi da lahani sosai tare da tsutsotsi shine babban tushen ƙarfi. Hakanan akwai waɗanda ke cewa lyranço makaho ne, amma babu dogaro a cikin wannan bayanin.
Farin shark
Akwai sharks da yawa waɗanda zasu iya zama misalai na dabbobi masu rarrafe, kamar farar kifin (Carcharodon karkara), shahara kuma abin tsoro a duniya saboda fim din "Jaws" wanda Steven Spilberg ya bada umarni. Koyaya, a zahiri, asalin sunan fim ɗin shine "Juna" wanda a cikin harshen Portuguese yana nufin "muƙamuƙi"
Duk da kasancewa mai farauta mai iya cinye mutum cikin sauƙi, farin kifin ya fi son ciyar da wasu dabbobin, kamar hatimi. Mutuwar ɗan adam da wannan dabbar ke haifarwa ta yi ƙasa da wadda wasu dabbobin ke haifarwa waɗanda ke bayyana mafi cutarwa ga ido, kamar hippos.
