Pokemon trainers don't know for sure.
Yes, you can trade them from diamond and pearl
I think you can only pass Pokemon from Emerald to Diamond/Pearl
The Membership Pass can only be obtained using an Action Replay. The event for this item has ended for Pokemon Diamond, Pearl, and Platinum.
You can only get pokemon if you have a diamond, pearl, heartgold, or soulsilver game. Otherwise you have to use a rental pass.
no it cannot be done
It isn't required to have a Diamond/Pearl/Platinum version to play the game, but they would allow more options when choosing a team to set on the Battle Pass.
you need member pass you can get it using ar or event
In Diamond/Pearl/Platinum you have to get the national dex before you can enter the pal park.
yes you can use pokegen to get member pass or just use it to get darkrai
You cannot access the Hoenn Region from Pokemon HeartGold, SoulSilver, Diamond, Pearl, and Platinum.
dawn gives it to you after you pass cycling road
using a Pokemon event