Do I have to upgrade all passengers in the booking, or can I just upgrade one?

All passengers on the same booking will be upgraded for the flights selected.

As an Emirates Skywards member, will I receive a priority boarding call on Qantas-operated flights?

Will I need a separate membership number to use on Qantas-operated flights?

If I am already a Qantas Frequent Flyer, can I earn Qantas Frequent Flyer points in addition to my Skywards Miles?