10. What kind of animal excretes their nitrogenous waste entirely as ammonia?
(A) bird
(B) fish
(C) snail
(D) insect

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統計: A(1), B(0), C(0), D(0), E(0) #4063968

詳解 (共 1 筆)

#7581680
  答案:B.fish(魚類) 詳解: ...
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