Which of the following is true for 'Homo sapiens'

Which of the following is the correct sequence of events in the origin of life ?

$I.$ Formation of protobionts

$II.$ Synthesis of organic monomers

$III.$ Synthesis of organic polymers

$IV.$ Formation of $DNA$ ­based genetic systems

Which set includes only analogous organs?

Which of the following is the most acceptable method determining the age of recent fossils

Select the wrong pair