You have to level Ralts up to level 20 and then Ralts will evolve into Kirlia and then you have to level Kirlia up to level 30 and then Kirlia will evolve into Gardevoir and Gardevoir is the final stage in that Pokemon species.
Kirlia evolves into Gardevoir at level 30.
You cannot evolve Nosepass in Pokemon Ruby, Sapphire, or Emerald.
no gallade wasn't a Pokemon until gen IV (diamond and pearl)
After purifying a Pokemon, it will evolve once the conditions are met for evolution (as of Pokemon Ruby and Sapphire Versions).
Actually Pokemon Omega Ruby and Alpha Sapphire is not out yet, but I strongly believe Bulbasaur will evolve at level as usual I doubt it would change dramatically.
Skitty evolves into Delcatty through the use of a Moon Stone in Pokemon Ruby and Sapphire.
It evolves by happiness
Level 20
Pokemon Ruby has Pokemon that Pokemon Sapphire does not and Pokemon Sapphire has Pokemon that Pokemon Ruby does not.
because you have to make it full friendship to evolve
Right get Emerald Sapphire or Ruby then get treeko and evolve it., OR Trade.Or otherwise no
You must migrate the Item from ruby emerald or sapphire to evolve nincada
By leveling It up to level 16