No Pokemon can be found on all routes.
all the legendaries and how to get them here http://www.psypokes.com/emerald/legendaries.php
u cannot find pidgey in Pokemon sapphire emerald and ruby, u can get it at leaf green and all
cheats
you go left
You go find them
you find all the Pokemon you can in Pokemon emerald then you trade Pokemon from ruby sapphire fire red and leaf green youtube.com/iglowindadark for more information
You find them all and then battle them.
All the Sinnoh pokemon and Unova arent available.
you have to find and catch all the pokemon in emerald....it might take a little trading...
all you have to do is go on Serribi.net
you can't you have to import them from Pokemon emerald
ask ur momma