Kalli nassin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar nassin: Passage: Tsarin tsari, suna da rarrabuwa sun mamaye tarihin halitta a cikin yawancin ƙarni na 17 da 18. Carl Linnaeus ya wallafa wani tsari na asali don duniyar halitta a 1735 (wanda bambancinsa ya kasance tun daga lokacin), kuma a cikin shekarun 1750 ya gabatar da sunayen kimiyya ga dukkan nau'ikansa. Yayin da Linnaeus ya ɗauki nau'ikan a matsayin sassa marasa canji na tsarin da aka tsara, wani babban masanin halitta na karni na 18, Georges-Louis Leclerc, Comte de Buffon, ya ɗauki nau'ikan a matsayin nau'ikan wucin gadi da kuma nau'ikan rayuwa a matsayin masu sassauƙa har ma da bayar da shawarar yiwuwar fitowar al'ada. Ko da yake yana adawa da juyin halitta, Buffon babban adadi ne a tarihin tunanin juyin halitta; aikinsa zai rinjayi ka'idodin juyin halitta na Lamarck da Darwin.
Tsarin tsari, suna da rarrabuwa