Indlela inja eyathambisa ngayo indoda

Ososayensi namanje abavumelani ngokuthi ukufuywa kwenja kwenzeka kanjani: ingabe le nqubo iwukufaneleka komuntu noma yizimpisi ezisikhethile - okungukuthi, "ukuzenzela". 

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Ukukhetha okungokwemvelo nokwenziwe

Ukusebenzela ekhaya kuyinto efiselekayo. Ngesikhathi sokuhlolwa kwezimpungushe, bathola ukuthi uma izilwane zikhethwa ngenxa yezimfanelo ezinjengokungabikho kobudlova nokwesaba kubantu, lokhu kungaholela kwezinye izinguquko eziningi. Ukuhlola kwenze kwaba nokwenzeka ukususa iveli lokufihla mayelana nokufuywa kwezinja.

Kunento emangalisayo ngokufuywa kwezinja. Izinhlobo eziningi zezinhlobo ngendlela ezaziwa ngayo kithi namuhla zivele ngokoqobo emakhulwini amabili eminyaka adlule. Ngaphambi kwalokho, lezi zinhlobo zazingekho ngendlela yazo yesimanje. Ziwumkhiqizo wokukhetha okwenziwe ngokusekelwe ezicini ezithile zokubukeka nokuziphatha.

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Kwakumayelana nokukhethwa lapho uCharles Darwin abhala khona encwadini yakhe ethi Origin of Species, edweba isifaniso phakathi kokukhetha nokuziphendukela kwemvelo. Ukuqhathanisa okunjalo kwakudingeka ukuze abantu baqonde ukuthi ukukhethwa kwemvelo nokuziphendukela kwemvelo kuyincazelo ezwakalayo yezinguquko ezenzeke ngezinhlobo zezilwane ezihlukene ngokuhamba kwesikhathi, kanye nomehluko okhona phakathi kwezinhlobo zezilwane ezihlobene eziye zaphenduka ezihlotsheni eziseduze zaya ezihlotsheni eziseduze zaya ezilwaneni eziseduze. ezikude kakhulu. izihlobo.

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Kodwa manje abantu abaningi ngokwengeziwe bathambekele embonweni wokuthi izinja njengohlobo oluthile aziwona umphumela wokukhetha okuzenzela. I-hypothesis yokuthi izinja ziwumphumela wokukhethwa kwemvelo, "ukuzenzela ekhaya" kubonakala sengathi kungenzeka kakhulu.

Umlando ukhumbula izibonelo eziningi zobutha phakathi kwabantu nezimpisi, ngoba lezi zinhlobo ezimbili zaziqhudelana ngezinsiza ezazinganele. Ngakho-ke kubonakala kungenangqondo ukuthi abanye babantu bakudala bazondla izinyane lempisi futhi ezizukulwaneni eziningi benze olunye uhlobo lwezimpisi olufanele ukusetshenziswa okungokoqobo.

Esithombeni: ukufuywa kwenja yindoda - noma indoda inja. Umthombo wesithombe: https://www.zmescience.com

Ngokunokwenzeka, okufanayo kwenzeka ezimpisini njengezimpungushe ekuhlolweni kukaDmitry Belyaev. Inqubo kuphela, yebo, eyanwetshwa kakhulu ngokuhamba kwesikhathi futhi yayingalawulwa ngumuntu.

Umuntu wayithambisa kanjani inja? Noma inja yamthambisa kanjani umuntu?

Izazi zofuzo namanje azivumelani ngokuthi izinja zavela nini ngempela: eminyakeni engu-40 edlule noma eminyakeni engu-000 edlule. Mhlawumbe lokhu kungenxa yokuthi izinsalela zezinja zokuqala ezitholakala ezifundeni ezahlukene zibuyela ezikhathini ezahlukene. Kodwa phela abantu bakulezi zifunda babephila ngendlela ehlukile.

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Emlandweni wabantu abahlala ezindaweni ezahlukene, ngokushesha kwafika isikhathi lapho okhokho bethu beyeka ukuzulazula futhi baqala ukuqhubekela phambili empilweni ehleliwe. Abazingeli nabaqoqi badlala imidlalo yokuhlungela, base bebuya nempango eziko labo lendabuko. Futhi kwenzekani lapho umuntu ezinzile endaweni eyodwa? Empeleni, impendulo yaziwa yinoma ubani owake waya ezindaweni eziseduze futhi wabona izintaba ezinkulu zikadoti. Yebo, into yokuqala umuntu aqala ukuyihlela indawo yokulahla.

Ukudla kwabantu nezimpisi ngaleso sikhathi kwakufana ncamashi, futhi lapho umuntu oyisilwane esizingelayo elahla ukudla okusele, lezi zinsalela ziba yizisulu ezilula, ezilinga kakhulu izimpisi. Ekugcineni, ukudla izinsalela zokudla kwabantu akuyingozi kakhulu kunokuzingela, ngoba ngesikhathi esifanayo inselo ngeke "indize" ebunzini lakho futhi ngeke uboshwe ezimpondweni, futhi abantu abathambekele ekuvikeleni okusele. .

Kodwa ukuze usondele endaweni yokuhlala yabantu futhi udle izinsalela zokudla komuntu, udinga ukuba nesibindi kakhulu, ufune ukwazi futhi ngesikhathi esifanayo ungabi nobudlova kubantu njengempisi. Futhi lezi, empeleni, izici ezifanayo lapho izimpungushe zakhethwa ekuhlolweni kukaDmitry Belyaev. Futhi izimpisi kulezi zizwe zadlulisela lezi zimfanelo enzalweni yazo, zisondelana kakhulu nabantu.

Ngakho-ke, cishe, izinja aziwona umphumela wokukhetha okwenziwayo, kodwa ukukhethwa kwemvelo. Akuyona indoda enqume ukufuya inja, kodwa izimpisi ezihlakaniphile zanquma ukuhlala eduze kwabantu. Izimpisi zisikhethile. Futhi-ke kokubili abantu nezimpisi baqaphela ukuthi kwakukhona inzuzo enkulu endaweni enjalo - isibonelo, izinkathazo zezimpisi zasebenza njengesibonakaliso sokusondela kwengozi.

Kancane kancane, ukuziphatha kwalezi zimpisi kwaqala ukushintsha. Ngesibonelo sezimpungushe ezifuywayo, singacabanga ukuthi ukubukeka kwezimpisi nakho kwashintsha, futhi abantu baqaphela ukuthi izilwane ezidliwayo endaweni yabo zazihlukile kulawo ahlala endle ngokuphelele. Mhlawumbe abantu babebekezelela lezi zimpisi kunalabo ababeqhudelana nazo ekuzingeleni, futhi lokhu kwakungenye inzuzo yezilwane ezazikhetha ukuphila eduze komuntu.

Esithombeni: ukufuywa kwenja yindoda - noma indoda inja. Umthombo wesithombe: https://thedotingskeptic.wordpress.com

Ingabe le thiyori ingafakazelwa? Manje sekuvele inani elikhulu lezilwane zasendle ezikhetha ukuhlala eduze kwabantu futhi zihlale emadolobheni. Ekugcineni, abantu bathatha indawo eyandayo ezilwaneni zasendle, futhi izilwane kufanele zibaleke ukuze ziphile. Kodwa ikhono lendawo enjalo libonisa ukwehla kwezinga lokwesaba nobudlova kubantu.

Futhi lezi zilwane nazo ziyashintsha kancane kancane. Lokhu kufakazela ucwaningo lwenani lezinyamazane ezinomsila omhlophe, olwenziwa eFlorida. Izinyamazane lapho zazihlukaniswe izigaba ezimbili: zasendle kakhulu futhi okuthiwa "yasemadolobheni". Nakuba lezi zinyamazane zazingabonakali ngisho naseminyakeni engu-30 edlule, manje sezihlukene enye kwenye. Izinyamazane “zasemadolobheni” zinkulu, azibesabi abantu, zinamawundlu amaningi.

Kunesizathu sokukholelwa ukuthi esikhathini esizayo esiseduze inani lezilwane “ezifuywayo” lizokhula. Mhlawumbe, ngokusho kohlelo olufanayo, ngokuhambisana nezitha ezimbi kakhulu zomuntu, izimpisi, zaphenduka zaba abangane abakhulu - izinja.

Esithombeni: ukufuywa kwenja yindoda - noma indoda inja. Umthombo wesithombe: http://buyingpuppies.com