Which of the following is correctly matched w.r.t. era and its period?
Paleozoic -Cretaceous
Mesozoic -Devonian
Cenozoic -Permian
Paleozoic -Carboniferous
The Permian period, during which the first most modern orders of insects appeared, occurred approximately
Amphibia first appeared in which of the following period?
Origin of mammal-like reptiles occurred in