Inside a house.
Or a pet store, or outside, or in an animal shelter or another building.
A common house cat lives to about 12-20 years. The oldest domestic cat is 39 years old.
They are both a type of cat.
A Kittypet
Yes, the common house cat is a carnivore although some cat foods still have vegetables in their mixes.
Felis catus IS the species name for the domestic cat.
Felis silvestris catus
No That's the name of the common house cat.
The house cat is closest in relation to the wildcats, such as the African wildcat or the European wildcat. They share a common ancestor and exhibit similar behaviors and physical traits.
The most common house cat by far is the Domestic Shorthair and Domestic Longhair, aka: Moggies. They are more commonly considered the feline "mutts" of the world due to their mixed linage. While not a pedigree breed, these "moggies" are the most common and popular of all cat types. However, the most popular recognized breed of cat (according to the Cat Fancier's Association) is the Persian.
The Scientific name for the domestic cat is Felis catus.
A cat's house is commonly referred to as a "cat shelter," "cat condo," "cat tree," or simply a "cat house."
The most common house cat in the United States is the Domestic Shorthair or Domestic Longhair. It's what you would call the "mutt", "moggy" or typical house cat. These cats can have all sorts of breeds in their ancestry and vary greatly in looks, shapes and sizes. This shouldn't be confused with the American Shorthair, as this is an actual breed of cat with set standards and is recognized by many Cat Fancier's Associations.