A daidai wannan lokacin da mutane, da dabbobi, ke kokarin kare kansu daga sakamakon rayuwa a cikin yanayi mai zafi da bushewa, halittu masu tsire-tsire suna kuma kokarin daidaitawa zuwa wannan sabon yanayin.
Wani bincike da aka buga a cikin «Global Chamge Biology», wanda Jami'ar Liverpool tare da haɗin gwiwar Jami'ar Syracusa (ke cikin Amurka) suka gudanar, wanda Jami'ar Liverpool ta gudanar. yaya sauyawar tsirrai zuwa canjin yanayi.
A cikin shekaru 15 da suka gabata, sun yi nazari kan amsoshi daban-daban game da yanayi mai yuwuwa na yanayi wanda ke da jerin tsirrai daga wani ciyayi wanda yake kusa da garin Buxton na Birtaniyya, kamar fari mai tsananin gaske ko yawan ruwan sama. Sakamakon ya kasance mai ban sha'awa, tunda sun gano cewa waɗannan canje-canje sun canza DNA na tsire-tsire, wani abu da masana suka kira "ceton masanan."
Raj Whitlock, Ph.D. da kuma farfesa a fannin ilimin kimiyar dan adam a kwalejin jami'a ta Liverpool na hadadden ilmin halittu, sun ce gaskiyar cewa canjin yanayi ya haifar da sauye-sauye a cikin jinsin halittar shuke-shuke a cikin shekaru 15 da suka gabata sanya shi wani abu mai ban mamaki, tunda yawanci tsire-tsire suna ɗaukar lokaci mai tsawo don daidaitawa zuwa canjin yanayi. Don haka, wannan na iya bayyana juriya na shuke-shuke da aka yi nazarin lokacin da aka tilasta su su girma a ƙarƙashin takamaiman yanayin muhalli.
An gudanar da wannan binciken ne a dakin gwaje-gwaje na Tasirin Canjin Yanayi na Buxton (BCCIL), a kan tsauni inda sarrafa yanayin ta hanyar gwaji tun 1993 don ganin yadda shuke-shuke suka yi.
Duk da yake wannan gwajin yana da ban sha'awa sosai, canjin yanayi zai haifar da ƙalubale mai mahimmanci ga yawancin halittu masu tsire-tsire, wanda a yau suna ƙoƙari don daidaitawa zuwa sauyin yanayi mai canzawa.