QWhat does "Add 1 to a Stack on your field" mean?

AIt means you place a Stack counter on an amulet with Stack on your field.

QIf I have two copies of this follower on the field, does each copy's "Whenever a Golem follower is put onto your field" ability trigger whenever a Golem follower is put onto my field?

AYes, they do.

QCan this follower's "Whenever a Golem follower is put onto your field" ability trigger during an opponent's turn?

AYes, it can.

QIf I super-evolve a follower with an On Evolve ability, does it trigger?

AYes, it does.

QIf I super-evolve a follower with an On Evolve and On Super-Evolve ability, can I choose the order in which I resolve them?

AYes, you can.