The most ancient branch point in animal phylogeny is that between having(A)a body cavity or no b

問題詳情

34. The most ancient branch point in animal phylogeny is that between having
(A)a body cavity or no body cavity.
(B)radial or bilateral symmetry.
(C)true tissues or no tissues.
(D) diploblastic or triploblastic embryos.
(E)a well-defined head or no head.

參考答案

答案：C
難度：適中0.444444
統計：A(0),B(9),C(16),D(2),E(2)

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