Nope. They don't do that.
Depends on the dog. For most dogs, yes it is important for a dog to mark its territory because it makes them feel powerful, but some dogs have different personalities and its not important.
It tells other dogs to back off there property. Like if you take your dog on a walk and he always marks his/her territory in same spot he/she is refreshing the scent in his/her territory.
Male and female dogs urinate on vertical surfaces in order to mark their territory, or to express anxiety or heightened activity in the presence of "nonresident" dogs or dogs of the opposite gender. Urine can also be used to communicate one's dominance in such a territory.
Male dogs lift their leg so they can direct their urine to mark their territory. They will typically urinate on the side of a post, tree or whatever is available for them to leave their mark on.
They urinate on the objects they want to mark.
Dogs will sometimes urinate on a person to mark them just as they would a tree stump or fire hydrant.
It is instinctual for dogs to mark spots to show rival male dogs where their territory ends and begins.
They sometimes urniate in places because they mark their territory.
Only wild dogs mark territory. Dogs don't have to because their territory is defined by a fence or walls.
no
Where they mark their territory
they are marking their territory dogs will especially do this if there is more than one dog.
Dogs pee in their house to mark their territory.
To mark their territory...