Changes are based on the characteristics of the individual species. This question is too general to be answered effectively.
blue whales can grow by eating everyday but they do not change
they grow larger and stronger
They tend to grow in age.
they grow
They grow
You have to feed them then while they eat and sleep they grow.
how do peacocks grow and change
yes
More months later,they grow hair.
Living things grow and change because if we didn't we would have never Ben born cause we have to grow to be born ,and that's the same for most things.
Yes, they change a lot.
to change, or grow, it can be better ,or worse, but basicly to change