Given below are four statements i-iv regarding geological time scale. Read them carefully.
Channel: Doubtnut
Date: 2021-11-18

Given below are four statements i-iv regarding geological time scale. Read them carefully. (i) Paleozoic era is the era of ancient life.  (ii) Ordovician period is the age of vertebraes.  (iii) Carboniferous  period is the age of reptiles (iv) Proterozoic era is the era of early life Which of the above two statements are incorrect ?