no

animals and fruit help a little faster and time spent in the garden.

It grows up as long as you stay in the garden.

to make your chao grow up give it animales and fruit and stay in the garden with it and
you can tell when it is growing up when you see a blue thing go around your chao

feed it a lot when a buble thing appears around your chao it will disapear and your chao
will be a grown up

give him a lot of animals and feed hm with chao fruits

if u see a giant chao fruit form arround it ita he is going to evolve into hero dark or
normal