no
Yes, they do! You can cut them in any way you want and they will grow back!
no
yes they will grow back twice as faster
It will grow back, just not necessarily at that same spot that you cut it at.
Yes. Tick heads do grow back.
Yes.
sometimes
no
yes your layers will grow then just get them cut back in. or cut it and then layer it or cut it and wait for it to grow and then layer
No it will not grow back. Dogs do not have the ability to regrow limbs.
YES your hair can grow back after you cut it