Why are there so many types of cats?
Why are there so many types of cats?
user
A little background context:  Historically, there has been just a small number of domestic cat breeds, typically kept for work or for hunting rodents.  Recently however, there has been a boom in the number of cat breeds, due to hobbyists breeding cats and placing them for sale on a number of internet sites.  You can see a brief overview of cat breeds here.
assistant
So it has been humans that have made there so many different kinds of house cats?
user