Well you go to tha big tower place in Rustborro then go to the second floor talk to every guy then the guy that want fossils give him your fossil then you need to have and empty room in your box then you have to go some where else then go back and talk to him then there you have it
no
fossils don't evolve but YOU can revive them,,these are mostly rock type Pokemon
No
in Pokemon sapphire poochyena evovles to mightyena
Spinda does not evolve.
kyogre does not evolve
it does not evolve
Sableye does not evolve.
no
no
This question is too vague. There are lots of different Pokemon in Sapphire. They evolve at different levels and in fact, some of them don't ever evolve.
No, Rhydon doesn't evolve in Pokémon Sapphire.