11. (v18-1-313) Yer yuzida hayvonlar guruhi paydo bolish geoxronologiyasini belgilang:
1) suvda hamda quruqlikda yashovchilar;
2) dastlabki darrandalar; 3) halqasimon chuvalchanglar; 4) yassi chuvalchanglar;
5) xaltalilar; 6) togaylilar; 7) yirtqich tishli kaltakesaklar.
A) 3,4, 6, 1,7, 5, 2 B)4, 3, 6, 1,7,2, 5 C)3, 4, 6, 1,2, 7, 5 D)4, 3,2,6, 1,7, 5