Apple Logic Pro 9 - Manual (Page 495)

You can also move take regions between take lanes.
To move take regions between take lanes
µ
Drag the take region to another take lane.
Note: Empty take lanes are automatically removed.
To create a new take lane for a take region
µ
Drag the take region onto the take folder, at a position where it will overlap with a take
region in the currently active take.
Note: If the dragged take region does not overlap with a take region in the currently
active take, it will be added to the take lane of the active take.
495 Chapter 15 Editing Audio Take Recordings