So follows is a list of Pokemon in this egg group;
http://bulbapedia.bulbagarden.net/wiki/Category:Ground_group_Pok%C3%A9mon
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Smeargle is a great Pokemon to breed 'Egg moves' with. It can learn other rare moves with the use of its move, sketch, which it learns multiple times. Then, if it's male, it can breed some of these moves down to other Pokemon in its egg group.
Yes you can breed a Pokémon with Smeargle however male Smeargle can only breed with Ditto but female Smeargle can breed with Ditto, Smeargle as well as Pokémon in the Field Egg Group which are Rattata, Ekans, Pikachu, Sandshrew, Nidoran, Vulpix, Diglett, Meowth, Psyduck, Mankey, Growlithe, Ponyta, Farfetch'd, Seel, Rhyhorn, Tauros, Eevee, Cyndaquil, Sentret, Mareep, Aipom, Girafarig, Dunsparce, Snubbull, Sneaasel, Teddiursa, Swinub, Delibird, Houndour, Phanpy, Stantler, Torchic, Poochyena, Zigzagoon, Seedot, Slakoth, Whismur, Skitty, Mawile and Electrike along with their evolutions with the exception of Nidoran Female's evolutions.
Smeargle is a Normal type pokemon.
Enter a double-battle with smeargle and a Pokemon with spore. Have that Pokemon use spore and have smeargle use sketch on him/her.
Only Eevee, and it will evolve into Glaceon.
Level 36.
You need to evolve it from Kabuto, which you need to trade for it.
No, Smeargle does not have an evolution. It's a one-stage Pokemon, meaning it has no evolutions or pre-evolutions.
smeargle does not evolve
Yes, in the Ruins of Alph(uncommon)
In pokemon crystal Pigeotto evolve in 36lvl
No, Sneasel cannot evolve in Crystal.
You cannot evolve Misdreavus in Crystal.
mewtwo can not evolve because he is one of those Pokemon that do not evolve.
It doesnt evolve
Unfortunately Gligar does not evolve in Pokemon Crystal, it only evolves in Pokemon Diamond, Pearl, Platinum, Black and White.
Mareep will evolve at Level 15 in Pokémon Crystal.
arbok doesn't evolve.
Smeargle is a Normal type pokemon.