Answer:
I have a couple of links that might help you.
Explanation:
http://faculty.ccbcmd.edu/courses/bio141/lecguide/unit1/3domain/3domain.html
https://thefactfactor.com/facts/pure_science/biology/general-biology/archaebacteria/5510/
(It might not let you click on them. you should copy + paste the links.)