43. Development must occur in the order of which of the following sequences?
(A)morula cleavage gastrula blastula
(B)gastrula morula blastula cleavage
(C)cleavage blastula gastrula morula
(D) cleavage morula blastula gastrula
(E)cleavage gastrula morula blastula
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統計: A(4), B(5), C(31), D(146), E(13) #938838
統計: A(4), B(5), C(31), D(146), E(13) #938838