The typological theory of species classification, which has few adherents today, distinguishes species solely on the ...

shunhe on January 11, 2021

Hi @jharbour,

Thanks for the question! So “presupposes” basically just means the same as “assumes.” When someone presupposes something, they assume it. So “presupposes the truth of an opposing theory” means to assume that the other theory is true. And so the entire answer choice (C) basically says that it refutes one theory by just assuming another one is true, without any independent basis for doing so.

Hope this helps! Feel free to ask any other questions that you might have.