No Pokemon can be found on all routes.
all the legendaries and how to get them here http://www.psypokes.com/emerald/legendaries.php
You go find them
you go left
cheats
u cannot find pidgey in Pokemon sapphire emerald and ruby, u can get it at leaf green and all
You find them all and then battle 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
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...
you can't you have to import them from Pokemon emerald
at http://cheatswebster.yolasite.com/
ask ur momma