Many British Shorthair cats have a cream coat or a coat that has a cream color as its base.
No, why would a cat's coat color determine their personality?
There are a few, I have a brown one and a lilac one.
Some American Curl cats do have a red or red-brown coat color.
Calico is just a coat color, it does not control the cat's behavior.
The same as cats of any other coat pattern and color. They live in dense jungles of couches and blankets.
Selective breeding or artificial selection.
Some purebred British Shorthair cats are black and white in coat color.
Tortoiseshell is a specific coat pattern and color. Some breeds of cats may naturally have this, but it tends to show up in mixed breed or "barn" cats. They can be found in any country that has a feral population of cats.
The temperature determines the color of the star!:)
Melanin determines your hair color.
Yes, a Burmese cat can be black. At first, they were all sable in color.