Texturing/Modeling in movies

[Mane]

I have no idea how to construct this questions, but i hope you will understand, and give me advice.

I want to be 3D modeler or/and texture artist for features films. Does the 3D models need to be in triangles like in games? or they are in quads?
What does 3D software is most used for modeling in games? Maya/Zbrush, Maya/Mudbox, Max/Zbrush?

What about texturing? How is best approach to texture models for movies? in Photoshop, or in 3D program like Mari?

What about baking, and maps, which maps should i learn and use for the texturing process?
normal map, displacement map, or others?

At second thought, i would like to focus on modeling, hard surface, non-organics(not yet) for environment. Is this worth it, just to be modeler for movies, as environment modeler? What should i focus on to be environment modeler?

What about drawing, i don't want to draw, i never drew in my life, okay, i tried to draw few months ago, when i was attending a graphic design course for 1 year, damn how i much hated drawing classes, it was so boring, and i didn't enjoy at all. I know that it helps, but does it necessary to get a job or whatever?