Which of the following organisms were lobe-finned fishes that evolved into the first amphibians?

Identify the correct chronological order of the geological eras from the earliest to the most recent.

Which of the following is $NOT$ included in the $Mesozoic$ era?

Match the following geological eras in Column $A$ with their respective time periods in Column $B$ and key evolutionary events in Column $C$. Which of the following is the correct match?

Column $A$	Column $B$ and $C$
$i$. Cenozoic	$2-65 \ \text{mya}$,Origin of vertebrates
$ii$. Palaeozoic	$500-165 \ \text{mya}$,Rise of egg-laying mammals
$iii$. Mesozoic	$135-225 \ \text{mya}$,Reptiles dominant
$iv$. Proterozoic	$350-500 \ \text{mya}$,Trilobites dominant

Which of the following represents the correct chronological order of geological eras?

The formation of the Rocky Mountains occurred after which era?