生物-答案
2024届高三(9)月起点考试生物学试卷答案一、选择题:本题共18小题,每小题2分,共36分。每小题只有一个选项符合题目要求。1-5BCCDC6-10DBCAB11-15ADDBD16-18CBA二、非选择题:本题共4小题,共64分。19.(16分,每空2分)(1)协调生产者和分解者不产生毒素且对铵盐和有机物的去除率高(2)6.7%每个营养级的能量都会有一部分通过呼吸作用以热能形式散失、流入分解者和产品输出(或暂时未利用)(任写两点给1分)(3)①浮床水生植物可吸收含氨、磷等元素的无机盐,净化水质(1分);②浮床水生植物能够有效阻挡阳光(或与藻类竞争阳光),抑制藻类的光合作用(1分)(4)过度...
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