The distance in degreese measuring East or West of the Prime Meridian is called- longitude o slope o topographic o latitude

Can you add a picture of the question?

It's cell theory. easy name i would think.

It might. it might because if you think about if they discovered if we came from (lets say something funny like aliens) and thy found cells that matched and they would have t do more research about it but would most probably change their theory.