In Pokemon Yellow Onix does not evolve, it is a one stage Pokemon.
to evolve him give him or her a thunderstone at any level you desire
Use a thunderstone on a picachu to evolve it
you can evolve balbasaur to venasaur
Spearow evolves at level 20 in Pokemon Yellow.
He evolves by friendship not by leveling up.
In Pokemon Yellow Onix does not evolve, it is a one stage Pokemon.
picachu and eevee
Use a thunderstone on a picachu to evolve it
to evolve him give him or her a thunderstone at any level you desire
ummmm... he evolves from a smiley facewrrong, a KirbyKirby is not a Pokemon! He does not evolve from anything!technically, we aren't really talking about Pokemon, and beside, Kirby evolves from... microorganisms and a madd scientist
you can evolve balbasaur to venasaur
Spearow evolves at level 20 in Pokemon Yellow.
fearow
Ive hear my friends say that in Pokemon yellow you can evolve eevee in a espeon with a moon stone
Caterpie can evolve into metapod starting at level 7. The evolution conditions for caterpie are not different in Pokemon Yellow from other pokemon games.
A yellow Floatzel of course