the answer is on the website serebii.net/pokedex/dp.
there is no national dex in Pokemon emerald. but, you can trade it from Pokemon leafgreen, and firered.
hoenn dex: 202 national dex: 403
You have to migrate six Pokemon from ruby, sapphire, or emerald in order to get into pal park. (after the national dex) Get the national dex. (before the national dex)
its probably cause you don't have the national dex in emerald.
in the national dex: Pidgeot in the hoenn dex: Dustox
386, Including the national dex.
134. In the National Dex, 386.
yes
you can get the national dex from prof. birch after deafting the the elite four. then you can trade larvitar from leafgreen or firered. you can find larvitar in the seventh island in leafgreen/firered
Yes, if you trade it you will automatically get the national pokedex on Pokemon Emerald
only when you get the national dex on Sapphire version
The pokemons added on the national dex are the pokemons in the region kanto which isn't added in the local dex and also those Pokemon on johto region which isn't added on your dex earlier