But others are automatic â though not guaranteed â such as the jump from private first class to specialist. Once a private becomes a specialist, he begins prepping for leadership. This is a crucial time in his molding process because he will soon enter the ranks of the non-commissioned officer corp.
1 Puppies will stand up and start walking. 2  At the age of 3 weeks a puppy will develop its sense of smell. 3  At 3 weeks the puppy will begin to bark and show social development such as wagging its tail, growling and baring its teeth.  Up to the age of 4 weeks the mother will be with the puppy almost constantly.
You will feel the puppies move around week seven out of nine weeks. They don't move that often but you can fee them move. It also depends on the breed of dog you have, and alsâ¦o how big your female is.