Yes. Its just that they dont obey you until you get a certain badge(depending on their level)
Well, if you trade, it should go into your pokedex.
Yes.
Yes.
no but if you don't have the second pokedex you carn't trade any Pokemon so if you only have the first pokedex you can only get the Pokemon from diamond and pearl Pokemon.
evolve a turtwig or when someone you know gets the game ask them to choose turtwig as the starting Pokemon and then trade it to you or use an action replay
get it in a trade
Unfortunately, you have to catch, trade, or somehow own every Pokemon in the pokedex. If you had it at one time and traded it, it still is in your pokedex.
You need to trade a Chikorita from Pokemon heartgold or soulsliver
No
You have to trade with firered or leafgreen to get the national pokedex.
trade or catch one
You need to trade it from the game "Pokemon ranger"