lvl 21
Level it up to 21 then it turns into a weepingbell
cyndaquil learns ember at level 12 a easy way to level your cyndaquil up is at sprout tower the bellsprout are weak against cyndaquil
bellsprout will evolve at lv.21 and again with a leaf stone it will evolve into victreebell
In a pokewalker.
rare candys
Level 36. Pidgeotto evolves at level 36 in all games.
Level up a bellsprout until it evolves into a weepinbell (I don't know what level that is) and then use a leaf stone on it.
You level up your EEVEE with high friendship during the day.
I have soul silver but i guess the Pokemon league.
It doesn't evolve from level, you have to give it an item, the razor fang, I think, and level it up at night, any level.
graveler evolves by trade, not by leveling up! :P
If you mean evolve around lv 16-18