yes
Anywhere, but they are rare.
Any pokemon from Sapphire, Ruby, and LeafGreen
go upstairs to any Pokemon center
None of the 4th gen Pokemon exist in any of the 1-3 gen Pokemon games meaning nothing like electivire exists in firered or any game before that.
Yes you can breed any Pokemon except legendaries and preevolved Pokemon.
Gyarados doesn't any further on Pokemon FireRed.
Not any hoenn Pokemon but firered and leafgreen can catch alot of kanto and johto Pokemon ruby and sapphire can and can't.
you can't catch any hoenn Pokemon in firered or leafgreen you must trade hoenn Pokemon from ruby or sapphire or emerald to leafgreen or firered.
NO Yes there are!!! There's Zubat!!!
go upstairs in any Pokemon center,talk to the third person down talk to her,go to collosium,and pick double battle
You can't catch Darkrai in Pokemon FireRed, it is a 4th generation Pokemon so therefore unavailable in any of the GBA Pokemon games.
Its impossible to capture any hoenn Pokemon in firered so you have to trade hoenn Pokemon from ruby, sapphire and emerald to get them.
Its impossible to catch any hoenn Pokemon in firered if you want hoenn Pokemon like groudon and kyogre trade them from ruby, sapphire or emerald to receive them in firered.
Anywhere, but they are rare.
Nothing Happens
Any pokemon from Sapphire, Ruby, and LeafGreen
yes