Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Carnivora Family: Canidae Genus: Canis Species: C. lupus
Canis lupus familaris
Canine- Or in latin, canidae
Yes, and labs usually take a quick train to get used to the house. They are friendly and loving dogs.
Labrador retrievers are not known for having back problems; they do often have something called hip dysplasia which involves their rear hips.