問題詳情
21. If organisms a, b, and c belong to the same class but to different orders and if organisms c, d, and e belong to the sameorder but to different families, which of the following pairs of organisms would be expected to show the greatest degree ofstructural homology?
(A) a and d
(B) b and c
(C) b and d
(D) d and e
(E) a and e
參考答案
答案：D
難度：困難0.375
統計：A(1),B(2),C(2),D(3),E(0)