There's no way in any Pokemon game that you can capture every Pokemon in a single version. You have to trade between other versions to receive the Pokemon FireRed cannot capture.
every where
Pokemon's 1-384
Yes
u can get all of them...
Catch all the Pokemon!
You have to trade and catch as much Pokemon as you can
all over
YES
In Pokemon firered you can't, but in Pokemon leafgreen you can get it then trade it to Pokemon firered.
By trading and catching them i think
you have to trade them from other Pokemon games
There is no Pokemon convention in firered.