Yes you can, if you own a link cable to connect the two gameboys.
Yes!
It is only possible to get Weedle in Pokemon Yellow by either trading it from Pokemon Red or Blue versions, or use the Mew Glitch and battle certain trainers.
Luckily for you bilinguals (I am too :]) yes
Yes it can. Using the Time Capsule in Gold and Silver it's possible to trade between Red, Blue, and Yellow.
In red, you can only catch certain pokemon. In yellow, it's supposed to be a more complete version of red and blue, and in yellow, you encounter Jesse and James from team rocket. In addition, you start off with Pikachu, and later on you get the 3 original starters.
you trade them over from Pokemon red, blue or yellow.
In Pokemon Blue, Red, Yellow, Silver, Gold, and Crystal, the place to trade and battle friends is to the right of Nurse Joy inside every Pokemon Center. In Pokemon Ruby, Sapphire, and Emerald, the place to trade and battle is located upstairs.
These games can fight with each other: Pokemon stadium 1 and 2 with red, blue, yellow, gold, silver and crystal. Red, blue and yellow can battle each other and gold, silver and crystal. Ruby, sapphire and emerald can battle with each other and firered, leafgreen, Pokemon colosseum and Pokemon xd gale of darkness. Diamond, Pearl and Platinum can battle each other and Heartgold and Soulsilver. The games that can battle each other can also trade with each other as well.
Just battle with a friend that has Red, Blue, Yellow, FireRed or LeafGreen. or if you have the game, migrate from it.
Noctowl doesnt exist in Pokemon yellow, blue, or red
You break one of the rules of the game. This usually results in the opponent's Pokemon getting a penalty attack, and if you commit another infraction for the duration of the battle you risk getting a red card, or taken out of the battle.
Yes. Orange is between red and yellow.