阿摩線上測驗
33. Reproductive systems with external fertilization are most common in
(A) terrestrial animals.
(B) populations with many more males than females.
(C) animals that are widely dispersed.
(D) aquatic animals.
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統計： A(0), B(0), C(0), D(3), E(0) #3477275
統計： A(0), B(0), C(0), D(3), E(0) #3477275
