Did you mean Metang? Because if that's the Pokemon your talking about it evoles level 45 into a Metagross.
Aipom does not evolve in emerald
it doesn't evolve
Banette wouldn't evolve at any point in Pokémon Emerald because it can't evolve in Emerald.
aipom does not evolve inpokemon emerald
Ambipom does not evolve. And you can't get it in Emerald, since it wasn't introduced until the next generation games (Diamond/Pearl/Emerald). Aipom doesn't evolve in Emerald.
Yes, Baltoy does evolve in Pokémon Emerald, it will evolve into Claydol.
No, Vileplume does not evolve in Pokémon Emerald.
Magcargo does not evolve in Pokémon Emerald.
Electrode does not evolve
At level 35 it will evolve
Sableye does not evolve.
No Sableye does not evolve.