You can't.
the difference is that when a Pokemon changes theres now way to turn them back but digimon can change back . one more thing Pokemon copeid digimon digimon did not copy Pokemon
yes, pokemon is older than digimon. pokemon was out in 1995 while digimon didnt come out until 1998
No, Pigemon is not a Digimon and he isn't a Pokémon.
Pokemon, Digimon, and Hamtaro are all anime that originated in Japan.
Pokemon
no you can trade soulsilver pokemon to black
he is not in Pokemon soulsilver or Pokemon heartgold
Yes Digimon is cool and even if you're a Pokemon fan you can still like Digimon.
you
No because they are created by two different companies. Digimon by Bandai and Pokemon by GameFreak.
POKEMON SOULSILVER come with a poke walker and the Soulsilver game
Pokemon soulsilver and Pokemon heartgold are basically the same game just different versions but i do recommend buying Pokemon soulsilver