No. Just In Emerald After Beating The Elite Four And It's In The Safari.
you can trade somthing for a aipom from emerald
apom
Honey trees (very rare)
look for it "/
You won't be able to and if you could Ruby would mess up because that's not a Pokemon in ruby.
slather a tree and hope for an aipom. If you find one, catch it!
Apparently Groudon, but you need to trade with ruby to be able to obtain him.
You can do this after you find the Ruby and the Sapphire for Celio in Pokemon FireRed. then you can trade with Ruby, Sapphire and Emerald.
There are no apoms in leaf green silly! Apoms are found in diamond/pearl, or colosseum!
Pikachu as always but will also have turtwig and apom (season 10 is diamond and pearl)
Pokemon ruby's version IS Pokemon ruby.
Kyogre is not able to be caught in Ruby Version.