You will need to train it; it will not die or get sick if you leave it alone, but if you want it to upgrade you can play the games in the new Pet Park in the Commons. After a while, the games and snacks will eventually give your pet enough experience to jump up the levels.
by plaing games in the pet pavilion
No, pet dragons do NOT evolve in Wizard101. animals cant evolve but now yhey grow
yes you can grow a pet in wizard 101
You can get the fire serpent pet and grow it to an adult, or you can buy it at the "BAZZAR" in oldetown.
THE PET PAVILION
the best way would probably be pet snacks or minigames.
your pet heals it energy by itself
Celestia
Yea you can hatch a pet on wizard101 with any 2 pets.
you have to train it in the pet pavailon and feed it pet snacks
You hatch a Satyr and Ice Colossus to get this pet.
At the Pet Derby podium in the Pet Pavilion