It depends on what pokemon you're talking about.
it does not evolve
It will evolve at level 36.
he doesnot evolve
Oddish will evolve at Level 21.
U dont get prinpulp in pokemon sapphire!!!
Mew is one of the many Pokemon that does not evolve
Level 40
level 30
level 40
Level 35.
level 7
Level 36.