Omanyte evolves at level 40.
Level 10.
Level 20.
Crobat doesn't evolve.
Electabuzz doesn't evolve in FireRed. Elekid evolves into Electabuzz at level 30.
Wooper will evolve at level 32.
Helix
Yamna does not evolve in FireRed.
Lickitung does not evolve in FireRed.
Dragonair will evolve at level 55.
Rhydon is not able to evolve in FireRed.
Electabuzz is not able to evolve in FireRed.
Rattata will evolve at level 20.
pidgeotto will evolve at level 36
Ghastly will evolve at level 20.
Level 22.
Level 25.
level 28