ya it got couple Pokemon that emerald version doesnt have
You can link and trade Pokemon with Sapphire and Emerald Versions. If you want a national pokedex, trade with leaf green version
only when you get the national dex on Sapphire version
The sapphire and Ruby (you can find both in the game) allows you to trade with Pokemon ruby, sapphire and Emerald version give it to Celio and when you give both to him it will allow him to connect with the Hoenn region allowing you to trade with those versions
On Pokemon platinum, you cannot move or migrate Pokemon from Pokemon silver or Pokemon blue version. It can only be done from the Gameboy advanced games. Those are Pokemon Ruby, Sapphire, and Emerald version.
No, Pokemon Sapphire Version does not have a Battle Frontier. However, Pokemon Emerald and Pokemon Platinum do have the Battle Frontier.
Trade it from Ruby, Sapphire or Emerald version.
sorry you cannot
Meditite can not be obtained in Pokemon Emerald. It can be traded from Ruby/Sapphire/colosseum/or XD.
This legendary Pokemon can only be acquired on Ruby Version through trade from Sapphire Version or Emerald Version.
Chinchou is not available in Pokemon Firered Version. You can only get it by trading from Pokemon Ruby / Sapphire / Emerald Version.
You can't, you have to migrate it from Pokemon Emerald, Sapphire or Ruby version.
You can't: you can only get it in a trade from a person with either Pokemon sapphire version or emerald version.