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2026黑吉辽生物学试卷生态学大题

  • 2026-06-20 17:18:23
2026黑吉辽生物学试卷生态学大题
因为马上要进入高三，故对2026高考真题很有兴趣，所有真题均来自网络搜索，本人无法辨别真伪，把几套题的生态学大题比较了一下，黑吉辽卷的生态大题很有特色，虽然难度不大，但试题的品味和内涵值得研究一下。试题如下：
这个题目立足于伴生植物抑制害虫提高水稻产量的情境，和农业生产粮食安全直接相关。
这个题目最精妙之处是通过实验来探究生态系统里各种成分之间的关系。要求学生以系统思维的视角来理解和分析这个试题。伴生植物万寿菊能否减少害虫种群数量提高水稻产量？设计一系列对照实验进行研究。
系统思维首先除了考虑将系统的边界扩大至农田周围的万寿菊种植区，还要把生态系统中各种生物成分非生物成分当做一个整体去分析，这个题涉及到各种生物成分之间的复杂关系，比如水稻、万寿菊、水稻害虫、水稻害虫的天敌以及以万寿菊为食物的花蓟马，这些生物之间的关系是学生熟知的种间关系？还是物质能量信息上的关系？是直接关系还是间接关系？实验结果首先说明万寿菊可以增加水稻害虫天敌的数量，从而抑制水稻害虫的种群数量，增加旱水稻产量。结合第二小题的食物网可知，万寿菊可以增加花蓟马的数量从而可以增加害虫天敌的数量。第二个结论就是万寿菊的提取物可以直接减少害虫种群数量，而导致了害虫的天敌数量相应也减少一点。第三个结论很有意思，就是种植万寿菊和喷洒万寿菊的提取物这个实验结果和第二组是一样的，两种处理没有出现协同效应，这个题目需要考虑到系统思维的整体视角来分析万寿菊、水稻害虫等这些生物之外，重点考察了系统中的组分之间的联系，这个联系包括了直接联系和间接联系。特别是万寿菊和水稻害虫之间的因果关系，体现了生命系统的复杂性。最后这个题目还考察了系统的动态变化，反映在第3小题上，正是种植了万寿菊，使得水稻害虫的天敌种群数量保持稳定，在水稻的灌浆期，水稻害虫二化螟和稻飞虱的种群数量保持相对稳定没有增加，正是因为水稻害虫的天敌种群数量稳定，使整个系统保持稳定。最后一小问要求学生基于以上系统思维的分析做出决策。感觉这个题的设问并没有对这个情境中的实验结果完全考透，命题者有意控制了设问的难度，使得设问难度不大，这可能是从控制整个试卷的难度和区分度来考虑。
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  1. CONNECT:[ UseTime:0.000686s ] mysql:host=127.0.0.1;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000811s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000342s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000264s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000521s ]
  6. SELECT * FROM `set` [ RunTime:0.000208s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000498s ]
  8. SELECT * FROM `article` WHERE `id` = 504045 LIMIT 1 [ RunTime:0.000429s ]
  9. UPDATE `article` SET `lasttime` = 1782036115 WHERE `id` = 504045 [ RunTime:0.009312s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000308s ]
  11. SELECT * FROM `article` WHERE `id` < 504045 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000499s ]
  12. SELECT * FROM `article` WHERE `id` > 504045 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000371s ]
  13. SELECT * FROM `article` WHERE `id` < 504045 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001094s ]
  14. SELECT * FROM `article` WHERE `id` < 504045 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000781s ]
  15. SELECT * FROM `article` WHERE `id` < 504045 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000602s ]
0.087208s