問題詳情
60. Animals release their nitrogenous waste in different forms. Which of the following statements are true ?① Urea is excreted by many marine fishes.② Ammonia is so toxic that it is rarely excreted as nitrogenous waste by any animals.③ The animals in dry environment could excrete uric acid.④ The form of nitrogenous waste is often an adaptation to animal habitats.
(A)① ② ③ ④
(B) ① ②
(C) ① ②④
(D) ②④
(E) ①③ ④
參考答案
答案：E
難度：適中0.4
統計：A(2),B(0),C(2),D(1),E(4)