Caterpie evolves into Metapod at level 7, and then into Butterfree at level 10
Level 36.
Bellsprout evolves into a Weepinbell at level 21 in Pokemon Crystal.
It evolves at Lvl. 25
Assuming Liquid Crystal is a fake Pokemon game, I don't know, but in the regular game it evolves by means of trade.
Castform does not evolve it gains a different look for different weather conditions. Ie. rain, ice, and sun.
In pokemon crystal Pigeotto evolve in 36lvl
Mareep will evolve at Level 15 in Pokémon Crystal.
Slowpoke will evolve at Level 37.
level 30
The Level When You Get A Life.
41
30
Level 30.
Level 36.
You need to level Zubat up to level 22. Then it will evolve into Golbat.
30 or 40
You have to trade it with someone.