Charmander will evolve into Charmeleon at Level 16 in Pokémon Yellow.
Spearow evolves at level 20 in Pokemon Yellow.
It should evolve at Level 55.
level 16
level 36.
Caterpie can evolve into metapod starting at level 7. The evolution conditions for caterpie are not different in Pokemon Yellow from other pokemon games.
There is No Specific Level Pikachu Needs a Thunderstone to evolve
train it till its level 32 then it will evolve
16
At level 20.
no level you have to trade dude
Level 10.
Levels vary from level 6 all the way to level 55. Several pokemon evolve at similar levels but a majority evolve at different levels.