Askaridaning rivojlanish siklinig ketma-ketligi to’g’ri berilgan javobni toping.
1)tuxum; 2)lichinka; 3)nam tuproq; 4)lichinkali tuxum; 5)odamning ichagi; 6)qon; 7)og’iz bo’shlig’i; 8)o’pka

1. 1,2,3,4,5,6,7,8
2. 1,3,4,5,2,6,8,7
3. 1,4,5,7,8,6,3,2
4. 1,2,4,6,7,8,5
5. 1,4,6,8,7,2,3