2. Natural selection changes allele frequencies because some _____ survive and reproduce better than others.
(A) alleles
(B) loci
(C) species
(D) individuals
(E) ecosystems
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統計: A(3), B(0), C(1), D(40), E(0) #3429681
統計: A(3), B(0), C(1), D(40), E(0) #3429681