5 下列何項理論或假說最適合解釋孔雀耀眼的羽毛?
(A)天擇(natural selection)
(B)最適化的選擇(selection of the fittest)
(C)用進廢退說(theory of use and disuse)
(D)性選擇(sexual selection)
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統計: A(161), B(56), C(19), D(372), E(0) #1941092
統計: A(161), B(56), C(19), D(372), E(0) #1941092