28. ____ is a characteristic that is unique to Metazoa.
(A)Heterotrophy
(B) Multicellularity
(C)An ability to move
(D) Having neurons and muscles

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統計： A(3), B(2), C(1), D(0), E(0) #3386695

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#6338930
正確答案：✅ (B) Multicell...
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