Birds are evolved from:

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

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

Which is the oldest fossil in the evolutionary history of the horse?

Trilobites evolved during which period?

The origin of seeds in land plants was achieved about $345 \; \text{million}$ years ago, in lineages recognized as ancestral to all more advanced vascular plants in: