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19.某类捕食者消耗的猎物数量与猎物种群密度的关系如右图曲线①,能反映这类捕食者消耗的猎物比例与猎物种群密度关系的曲线是 (A)Ⅰ (B)Ⅱ (C)Ⅲ (D)Ⅳ
問題詳情
19.某类捕食者消耗的猎物数量与猎物种群密度的关系如右图曲线①,能反映这类捕食者消耗的猎物比例与猎物种群密度关系的曲线是
(A)Ⅰ
(B)Ⅱ
(C)Ⅲ
(D)Ⅳ
參考答案
答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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【題組】28. (A)helped(B)required(C)expressed(D) mattered
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