Throh doesn't evolve.
Bunneary does not evolve through leveling up but through happiness.
Vulpix does not evolve through levels; To evolve it, use a Fire Stone on it.
Yes, it will evolve through happiness.
It doesent evolve through levels, it will only evolve to jigglypuff through high friendship, use a moon stone on the jigglypuff to evolve it to wiglytuff.
Haunter will only evolve through trade.
Crobat does not evolve: it is the second evolution of Zubat through Golbat.
It does not evolve at a certain level, it evolves through happiness.
Pikachu does not evolve through level-up -- instead, you can use a Thunderstone for it to evolve.
Darwin said that organisms evolve through the process of natural selection.
When it likes you. This is one of the Pokemon that evolve through friendship.
Through leveling up; Ferroseed will evolve into Ferrothorn at level 40.
It will only evolve through the use of a leaf stone.