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.

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統計: A(16), B(35), C(71), D(7), E(10) #938829

詳解 (共 3 筆)

#7149443
這是一道關於動物演化學(Animal P...
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#6343912
分類順序:有 True tissue →...
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