27. Which of the following phylogenetic history is considered correct?
(A) Jawed animals appeared earlier than vertebrates.
(B) Vertebrate appeared earlier than notochord.
(C) Mineralized skeleton appeared earlier than lungs or lung derivatives.
(D) Amniotic egg appeared earlier than jawed animals.
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統計: A(0), B(0), C(1), D(0), E(0) #3308506
統計: A(0), B(0), C(1), D(0), E(0) #3308506