No you cannot. Yellow version (Special Pikachu Edition) is a Gameboy/Gameboy Color game, whereas Emerald is for Gameboy Advance. The Gameboy Advance cannot connect to previous Gameboy systems.
You are not able to catch the regis in Diamond. You can catch them in the Game Boy Advance version of Pokemon Emerald.
Unfortunately no but if you have one of the old ds consoles which accepts gameboy advance cartridgethe you can play emerald from the game oy to your ds
Put simply, you can't. You need two Game Boy Advance or GBA SP and a GBA link cable to trade on Pokemon Emerald. IF you need to get Pokemon from your Emerald version to your Diamond/Pearl/Platinum, you can do so after beating the Elite Four through use of the Pal Park.
Red version was not made to migrate with emerald.
No. In Pokemon Emerald Version, you can only obtain Pokemon from generations 1, 2 and 3.
No.
NO you can not play Pokemon emerald in Coloseum.
It is not possible to catch an Electabuzz in Pokémon Emerald from the wild. Instead you would have to trade one from Fire Red version.
ya it got couple Pokemon that emerald version doesnt have
No you cannot catch Entei in Pokemon Emerald.
Get it from Pokemon emerald.