It's impossible you need to migrate it to Diamond or Pearl and give it a Shiny stone to make it evolve into a Togekiss.
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Aerodactyl does not evolve.
you need to trade it and it will evolve
Krabby will evolve into Kingler at level 28.
I don't think snasel can evolve into weavile in leaf green
It entirely depends on how you train your pokemon. Kabuto can evolve into Kabutops though, but Aerodactyl can't evolve.