The food they eat.
A male dog is called a dog (No its actually called a butch.) but a female is called a bitch.
You can estimate a dog's age by looking at their teeth, eyes, coat condition, and overall energy level. A vet can also make a more accurate estimate based on these factors and any medical records available.
dog
Dogs have good memory and can remember their owners even after being separated. Your dog may recognize you when you visit, but the strength of the bond and how long you were apart can affect the level of recognition and response.
The dog gets shelter, food and exercise from the human. The human gets companionship, exercise and 'warm fuzzies' from the dog.
The Canis lupus familiaris is at the 16th level of classification and is considered to be a subspecies of Canis lupus. Canis lupus is the genus and species in which includes the dog.
classification of dalmatian dogs
The Chihuahua does not have any classification. Individual dog breeds do not have any specified classification, only a specified name. All dog breeds come under one classification - Canis lupus familiaris.
The Boxer is a member of the Working Dog Group.
Canis lupus familaris
Canis lupus familiaris is the classification of the domestic dog.
Canis lupus familiaris
A male dog is called a dog (No its actually called a butch.) but a female is called a bitch.
Both are in carnivora. For detailed classification see this article on classification of carnivora in detail:
Herding Group, if that is what you are asking
Dog.
Domestic dog: Canis familiaris The Timber Wolf: Canis lupus