A Career in Photography, Architecture, or art?

[K.ily]

I want to either have a career in Profesional photography, Architecture, Art teacher, or Professional artist.(in australia at the moment) What would the requirements be to become one of these. (meaning the subjects i need to take, what i need to pass any degrees or uni passes i need, how long will it take and what natural tallents i need to have) THankyou sooooo much xx