N
|
Ta’rif
|
Era
|
Davr
|
1
|
Xaltali va Yo‘ldoshla kenja sinf vakillari paydo bo‘lgan
|
|
|
2
|
Suyakli baliqlar kelib chiqqan
|
Paleozoy
Devon
|
|
3
|
Yirik tanaga ega bo‘lgan o‘txo‘r sudralib yuruvchilar rivojlangan
|
|
|
4
|
Umurtqali hayvonlarning dastlabki vakillari-qalqondor baliqlar yashagan
|
|
|
5
|
Mastodontlar,ot ajdodlari qirilib ketgan
|
|
|
6
|
Plaun va qirqquloqlardan dastlabki o‘rmonlar paydo bo‘lgan
|
|
|
7
|
Dastlabki quruqlikda yashovchi bo‘g‘imoyoqlilar paydo bo‘lgan
|
|
|
8
|
Sianobakteriyalar paydo bo‘lgan
|
|
|
9
|
O‘zidan hech qanday hayot izlarini qoldirmagan
|
|
|
10
|
Atmosfera havosi bilan nafas oladigan dastlabki quruqlukda yashovchi bo‘g‘imoyoqlilar paydo bo‘lgan
|
|
|
11
|
Arxeopterikslar paydo bo‘lgan
|
|
|
12
|
Ochiq urug‘li o‘simliklar paydo bo‘lgan
|
|
|
13
|
Primatlar paydo bo‘lgan
|
|
|
14
|
Sudralib yuruvchilar kelib chiqqan
|
|
|
15
|
Dastlabki fotosintezlovchi organizmlar paydo bo‘ldi
|
|
|
16
|
Kaltakesak va toshbaqalarning ajdodlari paydo bo‘lgan
|
|
|
17
|
Kalamushdek dastlabki sut emizuvchilar paydo bo‘lgan
|
|
|
18
|
Yassi chuvalchanglar paydo bo‘ldi
|
|
|
19
|
Uchuvchi hasharotlar –suvaraklar va ninachilar rivojlangan
|
|
|
20
|
Bosh skeletsizlar kenja tipi paydo bo‘lgan
|
|
|
Xulosa :_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Xulosa :_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Xulosa ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Sana _____________________________________
Xulosa ________________________________________________________________________________________-___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________