"The modern housecat is just about as natural as a naked human living wild in the forest. It has been selectively bred..."
I think it would be better to say "The modern housecat is just about as natural as a modern human living in a modern house". Both species adapted to modern human environment.
I think it would be better to say "The modern housecat is just about as natural as a modern human living in a modern house". Both species adapted to modern human environment.