Yes. The part of the story when you can catch Dialga and Palkia is not unlocked until you get the National Pokedex.
You do need the national pokedex for the Pokemon modifier. the Pokemon modifier uses the national pokedex numbes. you can not use the sinno pokedex.
In the National Pokedex in Pokemon Platinum Mawile is Pokemon 303.
no.
Yes you can. You just have to fill up your pokedex and talk to pr.Rowan.
You must have the National PokeDex to capture Heatran.
That pokemon is Azumarill in pokemon platinum in the national pokedex
No.
You do need the national pokedex for the Pokemon modifier. the Pokemon modifier uses the national pokedex numbes. you can not use the sinno pokedex.
In the National Pokedex in Pokemon Platinum Mawile is Pokemon 303.
nothing
The first Pokemon in the national pokedex is a bulbasaur
all of them in the regional pokedex
on national pokedex its umbreon
493
Pokemon Platinum has two different Pokedexes: the Sinnoh dex and the National Pokedex. In the Sinnoh dex, #152 is Rotom. In the National Pokedex, it's Chikorita.
in the sinnoh pokedex dusclops, in national pokedex aipom
In Pokemon Diamond and Pearl you need the National Pokedex to get Magnemite. In Pokemon Platinum you don't need the National Pokedex to get Magnemite.