Rare Pokemon as in the legendaries can be found at: Mt Ember, Power Plant, Seafoam Islands, Cerulean Cave, anywhere around kanto (for entei, suicune and raikou).
You can get a iapapa berry from lostelle at berry forest also possibly from a Pokemon that has the ability pickup.
Staryu is a water type Pokemon. In Pokemon FireRed, it is possible to find lots of Staryus in the Seafoam Islands.
It's not possible to find Sudowoodo in Pokemon FireRed. You will need to trade for one from a Pokemon Emerald game-save.
unown is it dums
No you find it in Pokemon mansion.
You cant find it in Firered only leafgreen.
You can get a iapapa berry from lostelle at berry forest also possibly from a Pokemon that has the ability pickup.
Staryu is a water type Pokemon. In Pokemon FireRed, it is possible to find lots of Staryus in the Seafoam Islands.
You cannot find Piloswine in the wild on Pokemon FireRed. You can find it's pre-evolved form Swinub in Icefall Cave on Floe Island in the Sevii Islands of Pokemon FireRed.
Celebi cannot be found in Pokemon FireRed. The only way to get Celebi in Pokemon FireRed is receiving it from an event distribution. These events are sadly no longer supported for Pokemon FireRed.
It's not possible to find Sudowoodo in Pokemon FireRed. You will need to trade for one from a Pokemon Emerald game-save.
Yanma can't be found in Pokemon FireRed or Pokemon LeafGreen; it is strictly a fourth generation Pokemon.
Meowth, Aipom, Tediursa, Phamphy, Zigazoon, Linoone, Pachirisu, Munchlax, Yerterii, and Ambipom
You can find TM Dragon Claw on Victory Road in Pokemon FireRed (Kanto).
it's in pokemon leafgreen
The only way to obtain Magmar in Pokemon FireRed is to trade it from LeafGreen.
Fossils cannot be created in Pokemon FireRed, there is a finite number of them to find.