Train it to level 23.
Oddish will evolve at Level 21.
Oodish evolves in level 21
You cannot evolve Murkrow in FireRed.
ditto does not evolve on firered or leafgreen
Electabuzz is not able to evolve in FireRed.
Rhydon is not able to evolve in FireRed.
THEY DONT EVOLVE
You evolve it at level 20
areodactl does not evolve:-)
Golduck does not evolve.
trade it then it will evolve
Gyarados doesn't any further on Pokemon FireRed.