Mary Allen
Har yaushe karnuka ke raka mutane? Masu bincike a Jami'ar Arkansas sun tambayi kansu wannan tambayar kuma sun gano cewa mai yiwuwa kare ya kasance cikin gida a lokacin Ice Age.
Wani bincike da aka yi kan wani hakori a cikin wani burbushin burbushin da ya shafe shekaru kusan 28,500 daga Jamhuriyar Czech ya nuna cewa a wancan lokacin an riga an sami bambance-bambance tsakanin dabbobin kare da na kerkeci. Daban-daban na abinci sun nuna cewa a wannan lokacin mutane sun riga sun horar da kare, wato, kiyaye shi a matsayin dabbobi. Wannan ita ce ƙarshe da masu binciken suka zo a cikin binciken da suka buga kwanan nan.
Don yin wannan, sun bincika kuma sun kwatanta kyallen takarda na hakora na dabbobin kerkeci da na kare. Masana kimiyya sun lura da alamu marasa kuskure waɗanda suka bambanta canines daga wolf. Haƙoran karnukan Ice Age sun fi karce fiye da wolf na farko. Wannan yana nuna cewa sun ci abinci mai ƙarfi da rauni. Misali, kasusuwa ko wasu tarkacen abinci na mutum.
Shaida ga Karnukan Gida sun Koma Sama da Shekaru 28,000
A gefe guda kuma, kakannin wolf suna cin nama. Misali, binciken da aka yi a baya ya nuna cewa dabbobi masu kama da kerkeci na iya cinye naman mammoth, da dai sauransu. "Babban burinmu shine mu gwada ko waɗannan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan sutura ne," in ji Peter Unger, ɗaya daga cikin masu binciken ga Science Daily. Wannan hanyar aiki tana da matukar ban sha'awa don bambanta daga wolf.
Tsayawa karnuka a matsayin dabbobi ana daukar su azaman nau'in gida na farko. Tun kafin mutane su fara noma, sun ajiye karnuka. Duk da wannan, masana kimiyya har yanzu suna ta muhawara a yaushe da kuma dalilin da ya sa ’yan Adam ke yin gida da karnuka. An yi kiyasin cewa daga shekaru 15,000 zuwa 40,000 da suka wuce, wato lokacin zamanin kankara.