No, only in Sapphire, Ruby, and Emerald.
Yanma can't be found in Pokemon FireRed or Pokemon LeafGreen; it is strictly a fourth generation Pokemon.
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.
Teddiursa can't be found on firered trade one from emerald to firered.
A fake Pokemon GBA generation game which you play as Blue/Green(Firered/Leafgreen rival),your rival is Brendan from Pokemon ruby/sapphire and also .......................................
Bellsprout has to be found wild, in leafgreen, you need to trade from Leafgreen for Pokemon.
Growlithe is found in the Pokemon Mansion on Cinnabar Island in Pokemon Firered.
Yanma can't be found in Pokemon FireRed or Pokemon LeafGreen; it is strictly a fourth generation Pokemon.
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.
A fake Pokemon GBA generation game which you play as Blue/Green(Firered/Leafgreen rival),your rival is Brendan from Pokemon ruby/sapphire and also .......................................
Teddiursa can't be found on firered trade one from emerald to firered.
There is one King's Rock to be found in Pokemon FireRed in Sevault Canyon. They can also sometimes be found on wild Pokemon like Poliwhirl.
A fake Pokemon GBA generation game which you play as Blue/Green(Firered/Leafgreen rival),your rival is Brendan from Pokemon ruby/sapphire and also .......................................
Venonat can be found in the Safari Zone.
The electrolizer is not available in Pokemon FireRed. The electrolizer is only available in Pokemon Pearl, and can be found when an elekid is holding one.
Bellsprout has to be found wild, in leafgreen, you need to trade from Leafgreen for Pokemon.
It can be found in CELADON CITY
In Cerulean cave in Pokemon firered and leafgreen