問題詳情

37. Cephalization is primarily associated with
(A) adaptation to dark environments.
(B) method of reproduction.
(C) fate of the blastopore.
(D) type of digestive system.
(E) bilateral symmetry.

參考答案

答案：E
難度：困難0.352941
統計：A(0),B(1),C(3),D(2),E(6)