Do not worry, such thing never happens. Everyone goes through puberty. Some might start at a later age.
The main thing that happens is that the body becomes sexually mature. After puberty, the body is capable of reproduction.
Puberty happens at its own pace. Everyone goes through puberty at their own pace. Some go through it fast. Some slow.
Yes, all animals do.
Yes they do. This is the process where their bodies begin to develop so they are sexually mature and able to reproduce; if animals didn't go through puberty, then 2-month old puppies would be having puppies, and so on. Ew :)
Nothing causes it it happens on its own
yes, this happens both when men and women go through puberty
All animals and birds go through this process. So yes, jays hit puberty.
yes, it is called bloating and happens to every girl during puberty
Puberty happens naturally. You don't have to do anything special to got through it. Just proper diet and exercise is important.
It probably means that you're starting to go through puberty. It doesn't all happen in one go - one thing happens at a time
No, you will go through puberty whether or not you had chickenpox.