3. The Malpighian tubules are important for excretory function in _____.
(A) birds
(B) flatworms
(C) insects
(D) jellyfish
(E) frog
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統計: A(2), B(4), C(76), D(1), E(1) #3224784
統計: A(2), B(4), C(76), D(1), E(1) #3224784