20.Darwin used the phrase"descent with modification'' to explain which of the foll
(A) descent of all organisms from a single, ancient ancestor
(B) the unity of life
(C) the diversity of life
(D) both the unity and diversity of life
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統計: A(0), B(0), C(1), D(1), E(0) #3162492
統計: A(0), B(0), C(1), D(1), E(0) #3162492