29. Which of the following characteristics is found in Phylum Chordata but not unique to this phylum?
(A)Notochord
(B) Neural tube
(C)Pharyngeal slits
(D) Cnidocytes

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統計： A(3), B(2), C(0), D(1), E(0) #3386696

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正確答案：✅ (D) Cnidocyte...
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