3. Most causes of speciation are relatively slow, in that they may take many generations to see changes, with the exception of ______.
(A) colonization
(B) sexual selection
(C) reinforcement
(D) natural selection
(E) polyploidy

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統計： A(4), B(11), C(5), D(7), E(55) #937712

詳解 (共 1 筆)

#2469758
種化一般需要很長的時間才可能發生，只有多...
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