Butterfree is the final stage of the evolution chain. It doesn't evolve. Hope I helped! :)
It doesn't evolve!
At level 6 Caterpie will evolve to Metapod then train it to level 10 to evolve it to Butterfree.
ditto does not evolve on firered or leafgreen
Caterpie evolves into Metapod at level 7, and then into Butterfree at level 10
It will evolve at level 7.
It doesn't.
yes
Caterpie can evolve into metapod starting at level 7. The evolution conditions for caterpie are not different in Pokemon Yellow from other pokemon games.
caterpie dosen't evolve into beutifly, its last evolution is butterfree
Caterpie will evolve into Metapod starting at level 7, and Metapod will evolve into Butterfree starting at level 10.
Caterpie evolves into Metapod, starting at level 7, then Metapod can evolve into Butterfree at level 10.
LVL 7
You can catch a caterpie or metapod at the national park north of goldenrod city. After you catch the caterpie evolve it to a Metapod and then evolve it to a Butterfree.
You can't evolve Yanma in Leafgreen. This is because Leafgreen was made before Yanmega was made. So basically in Leafgreen, Yanma is a Pokemon that can't evolve.
You can't on leafgreen.
you cannot evolve a porygon2 in leafgreen
no
No.
no