O‘zbekiston respublikasi oliy va o’rta maxsus ta’lim vazirligi urganch davlat universiteti tabiiy fanlar fakulteti biologiya yo’nalishi

I bob. Adabiyotlar sharhi........................................................................................6
II bob. Asosiy qism................................................................................................13
2.1. Bo’gimoyoqlilarning kelib chiqishi, evolutsiyasi..............................................13
2.2. Bog’imoyoqlilarning xilma-xilligi....................................................................21
2.3. Bo’g’imoyoqlilarning tarqalishi.......................................................................27
Xulosa.....................................................................................................................38
Foydalanilgan adabiyotlar...................................................................................39