Simplify the following text for a Grade 7 native English-speaking person.
Original: The moves that one PokÃ mon may learn are different from another depending on the species of PokÃ mon ; even those that evolve from others do not necessarily learn all the same moves that their predecessors learn .
Simplified: PokÃ mon evolve to turn into different PokÃ mon from the same evolutionary line . Doing so , they become stronger and can learn more powerful moves , but learn moves at higher levels .