I really love dogs. What can you tell me about them?
well the domestic dog is a member of the genus "Canis" which forms part of the world-like canids, and is the most widely abundant terrestrial carnivore.
Interesting. How long have dogs been living with humans?
there has been a long association with humans and has lead to dogs becoming uniquely attuned to human behavior and theya re able to thrive on a starch-rich diet 
Wow. They do say dogs are "man's best friend".
yes and they perform many roles for people suh as hunting, herding, pulling loads, protection, assisting police and miltary, companionship and more recently, aiding handicapped individuals.