This is what I believe can tell us which Pok'emon may or may not be getting pre-evolutions or evolutions in the 4th gen.
You know what Effort Values are, don't you? If you do, take a look at
This. Scroll down and look for Snorlax. It gives exactly 2 EV Points when defeated in battle. We know that Snorlax is going to have a pre-evolution, Munchlax, and he will probably give only one EV Point. Same goes for Sudowoodo and Bonsly, and Mr. Mime and Mime Jr.
But staying on the same page, look for Lickitung, Chansey, Kangashkan, and Lapras. They all give only two EV Points. This may point out that they will have a pre-evolution in the upcoming generation.
The Summarization:Any Pok'emon that gives more than one EV Point may have an evolution or pre-evolution(excluding Legendary Pok'emon).
This is only my opinion, what do you think?
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