Dog Canine Development and Anatomy
Where did dogs evolve from; We don't know. Many theories, including the one that a dog was once a domesticated jackal, have been discredited. In the years I have been investigating this question, I have yet to come up with a satisfactory answer. It is known, however, that dogs did not evolve from wolves, but rather both evolved from some common ancestor. To put it another way, a wolf is to a dog what a chimpanzee is to man. The latter did not "descend" from the former. Each pair represents the end products of parallel evolution. But all breeds of dogs do belong to the same species, as was recently proved when a dachshund bitch gave birth to a healthy litter sired by a St Bernard! When a dog gives birth to a litter of puppies, she does all the training, instilling them with the basic techniques of survival, until they're about six weeks old. Then it's time for you to take over. Naturally, if a puppy has been taken from his mother before that time, it's u...
