3. "Which of following characteristics can distinguish protostome from deuterostome development?
(A) spiral cleavage.
(B) coelom formation.
(C) fate of the blastopore.
(D) A and B.
(E) A, Band C.
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統計: A(4), B(1), C(4), D(6), E(37) #1118735
統計: A(4), B(1), C(4), D(6), E(37) #1118735