Ziyini izinja?
Context:Inja iye yafuywa ngokukhetha phakathi nezinkulungwane zeminyaka ngenxa yokuziphatha okuhlukahlukene, amakhono okuzwa, nezimfanelo zomzimba. Izinhlobo zezinja ziyahlukahluka kakhulu ngobukhulu, ukuma nombala. Zenza imisebenzi eminingi kubantu, njengokuzingela, ukwalusa, ukudonsa imithwalo, ukuvikela, ukusiza amaphoyisa namasosha, ukuba abangane, ukwelapha, nokusiza abantu abakhubazekile. Eminyakeni eyizinkulungwane edlule, izinja ziye zavumelana ngendlela eyingqayizivele nokuziphatha kwabantu, futhi isibopho esiphakathi kwabantu nezinja siye saba isihloko sokucwaningwa njalo. Lokhu kuthonya emphakathini wesintu kuye kwazenza zathola isiqu esithi "umngane womuntu omkhulu".
Inja (iCanis familiaris noma iCanis lupus familiaris) iyinzalo yempisi. Ebizwa nangokuthi inja yasekhaya, ivela embulungeni yasePleistocene eyaqothulwa, futhi impisi yanamuhla iyisihlobo senja esiseduze kunazo zonke. Izinja zaziyizinhlobo zokuqala ezazisetshenziswa abazingeli-abaqoqi eminyakeni engaphezu kwengu - 15 000 edlule ngaphambi kokuthuthukiswa kwezolimo. Ngenxa yobudlelwane babo obude nabantu, izinja ziye zanda zaba inani elikhulu labantu abafuywayo futhi zathola ikhono lokuchuma ekudleni okune-starch eningi okungeke kwanele amanye ama-canid.