The list below describes some events which took place at different periods in the geologic time scale.

Birds appear.

Mammals appear.

Sea reptiles become extinct.

Which of these best orders the events from the earliest to the most recent?

The right answer for the question that is being asked and shown above is that: "Sea reptiles become extinct > Mammals appear > Birds appear." The list below describes some events which took place at different periods in the geologic time scale. This is the order of the events from the earliest to the most recent