I think its either a moon stone or a leaf stone if that's not it level it up to 55 because that's the highest evolve point their is
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.
nothing
by trading
Crobat doesn't evolve.
You cannot evolve Murkrow in FireRed.
ditto does not evolve on firered or leafgreen
Rhydon is not able to evolve in FireRed.
Electabuzz is not able to evolve in FireRed.
THEY DONT EVOLVE
You evolve it at level 20
trade it then it will evolve
areodactl does not evolve:-)
Golduck does not evolve.
Gyarados doesn't any further on Pokemon FireRed.
No it is not possible but you can evolve it on Pokemon Diamond and Pearl if you wanted.
No only firered and leafgreen can.