Duba zuwa sashi na ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda sashi: Passage: Bala'in bala'i a ƙarshen Permian, kimanin shekaru miliyan 252 da suka gabata, ya kashe kusan kashi 70 cikin ɗari na nau'in dabbobi masu dabbobi masu dabbobi da yawancin tsire-tsire masu tsire-tsire. Tambaya: Menene kashi na nau'in dabbobi masu tsire-tsire masu tsire-tsire da aka kashe a cikin mummunar ƙarewa a ƙarshen Permian?
70 na shekara