7. 秸秆覆盖还田、免耕播种等黑土地保护技术使土壤有机碳含量增加，土壤生物多样性也高于传统耕作，
作物产量增加。下列叙述错误的是
生态系统结构与功能 · 历年高考生物真题与解析
本页汇总 高考真题检索 的「生态系统结构与功能」高考生物真题共 1 道，覆盖 2026 年，最常出题型为 单选题；含完整答案与解析。
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