What classes do Forest Rangers take in college?

There are three types of rangers in this world

1)Power Rangers

Courses in College:

-P.E.

-Kicking Ass

-Robot Engineering

2)Pokemon Rangers

Courses in College:

-Beyblade

-Typology

3)Forest Rangers

Courses in College:

-Biology

-Phytology

-Extinguishology

-Vehicle Operation Studies