Which era is called the age of angiosperms?
Cenozoic era
Mesozoic era
Proterozoic era
Palaeozoic era
Which phenomena confined the pouched mammals of Australia survived because of lack of competition from any other mammals?
The animal called ........ evolved into the first amphibians that lived on both land and water.
Complete the given statement by choosing an appropriate option
$A$ : Mesozoic is the era of dinosaurs but they suddenly disappeared from the earth.
$R$ : Dinosaurs may have changed into birds or climatic changes killed them