i think at level 32
Taillow evolves into Swallow at level 22.
ditto does not evolve on firered or leafgreen
No it is not possible but you can evolve it on Pokemon Diamond and Pearl if you wanted.
by trading
nothing
Crobat doesn't evolve.
Taillow evolves at level 22.
swellow
22
level 22
Taillow is a 3rd Generation Pokemon or a Hoenn region exclusive Pokemon meaning that Firered version which takes place in the Kanto region cannot capture it. All 3rd Generation Pokemon must be traded to Firered from either Ruby, Sapphire or Emerald.
Taillow Swellow Wingull Pelipper Skarmory(Maybe) Swablu Altaria
You cannot evolve Murkrow in FireRed.
ditto does not evolve on firered or leafgreen
Taillow evolves at Lv22.22
Rhydon is not able to evolve in FireRed.
Electabuzz is not able to evolve in FireRed.
THEY DONT EVOLVE