i love dogs
Me too! I have two. They were actually the first species to be domesticated for households, it's no wonder they are man's best friend!
Yeah! what do you mean by domesticated?
I mean as in they were bread and trained to be in the house, from when they were wolves in the wild at some point. The direct ancestor of dogs were wolves that are now extinct, crazy right!
Crazy? not really! its just some facts you are simply exposing. So why are they called human friends?
I just mean its crazy how they evolved over time, not my comments haha. Their influence on society has given them the name "Man's Best Friend" 
So are there specific number of dog breeds that exist today?
was the first species to be domesticated and has been selectively bred over millennia for various behaviors, sensory capabilities, and physical attributes.
Their long association with humans has led dogs to be uniquely attuned to human behavior and they are able to thrive on a starch-rich diet that would be inadequate for other canid species. Dogs vary widely in shape, size and colors. They perform many roles for humans, such as hunting, herding, pulling loads, protection, assisting police and military, companionship and, more recently
in which he suggested to his father: "What if it's the mother [instead]? She talks about love to her son. And it kind of made sense creatively...Jor-El had done his thing if you want." Donner publicly lambasted this decision, in which he told "Variety", "That means no games... They have to want me to do it. It has to be on my terms and I don't mean financially. I mean control."
As Donner had become