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1、1 高中生物必修三训练卷第卷选择题一、单项选择题：本大题共12 小题，每小题2 分，共 24 分。每小题只有一个选项最符合题目要求。1右图为人体内环境示意图，图中A、B、C、D表示结构，、表示液体，下列有关叙述不正确的是A均参与了体温的调节B组织水肿与中积累过多的液体有关C一般情况下，中的CO2不能向中扩散D B结构中葡萄糖氧化分解的终产物是乳酸2关于人体内环境中PH调节的叙述中，不正确的是A人体血液的PH通常在 7.35 7.45 之间B血液中乳酸过多时，就与NaHCO3反应，生产乳酸钠和H2CO3C血液中的Na2CO3过多时，就与H2CO3结合形成NaHCO3D PH的相对平衡只由血液中的
2、缓冲物质调节，与神经体液调节无关3细胞与细胞之间可以通过信号物质进行信息传递（如下图所示）。下列说法错误的是A若信号物质是神经递质，当其作用于突触后膜后一定使突触后膜兴奋B如果信号物质是性腺分泌的性激素，则其靶细胞可能是生殖器官上的细胞C信号物质的受体分布于细胞膜上，体现了细胞膜参与细胞间信息交流的作用D若信号物质是甲状腺激素，则靶细胞是肌肉细胞、垂体和下丘脑的细胞等4下图是反射弧的局部结构示意图，刺激c 点，检测各位点电位变化。下列说法错误的是A电表不偏转，电表偏转两次B a处检测不到电位变化，是由于突触前膜释放的是抑制性递质C兴奋由c 传到 e 时，发生电信号一化学信号电信号的转换D若检测
3、到b、d 点有电位变化，说明兴奋在同一神经元上是双向传导的5在设计和制作小生态瓶，探究保持生态系统相对稳定的条件时，应遵循一定的原理，下列设计中不合理的是信号物质靶细胞a b c d e 种群数量速率a b c 害虫蜘蛛时间A B C 数量 A瓶内各种生物之间应有营养关系 B瓶内各种生物的数量搭配应合理 C 瓶口应敞开以保证生物有氧呼吸 D瓶内生态系统应给予适当的光照6右图曲线为某种群出生率，为种群死亡率，该种群K值是A c 点，死亡率最大的点B a点，出生率与死亡率差值最大的点C b点，出生率最大的点D c 点，出生率与死亡率相等的点7关于群落演替的叙述，错误的是A群落的演替是一个群落替代另
4、一个群落的过程B群落的次生演替一定会发展到森林阶段C群落的初生演替速度比次生演替速度要慢得多D动、植物群落的演替都与光照条件有关8为除去农作物的某种害虫而引入天敌蜘蛛，然后对两个种群进行调查，得出如右图所示的结果。下列叙述中错误的是A图中所示的蜘蛛和害虫的关系是捕食关系B在 B期间，蜘蛛数量减少的原因是蜘蛛的食物不足C在 A期间，若对害虫施杀虫剂，蜘蛛的数量将增加得更快D C期间的平衡状态与A期间和 B期间两个种群的相互作用有关9.将甲、乙、丙三株大小相近的同种植物，分别处理如下表，实验结果如下图所示。根据图表判断，下列叙述正确的是甲乙丙顶芽摘除保留保留细胞分裂素（浸泡浓度）0ppm 2ppm
5、 0ppm A.细胞分裂素的作用可抵消顶端优势 B.顶芽摘除后，侧芽生长停滞C.顶芽的存在不影响侧芽的生长 D.细胞分裂素与侧芽的生长无关10.下列关于湿地生态系统的叙述，错误的是A湿地生态系统，具有调节水流量和控制洪水等生态功能B与湖泊生态系统相比，稻田生态系统的抵抗力稳定性较低C已固定在有机物中的碳元素的传递途径为：无机环境生物群落D湿地生态系统能过滤和分解水中的污染物，进而改善水质，因此被喻为“地球之肾”11.下面为人体生命活动调节示意图，有关叙述错误的是天数2 2 4 4 6 6 8 8 甲乙2 丙侧芽长度mm文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8
6、U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 H
7、M2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8
8、U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 H
9、M2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8
10、U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 H
11、M2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8
12、U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U13 靶细胞血液循环细胞细胞细胞A.饭后血糖升高时，可以通过“刺激A CD”，促进胰岛素的分泌B.体内的甲状腺激素可以完成H过程C.寒冷时，可以通过“刺激ACD”，使肾上腺素分泌增加D.当手被针刺时，可以通过“刺激A C D”，使手缩回12下图表示某生态系统中，四种生物所同化的有机物的量占该生态系统有机物总量的比例，则这四种生物之间的食物关系最可能的是二、双项选择题：本大题共4 小题，每小题4 分，共 16 分。在每小题给出的四个选项
13、中，有两个选项符合题目要求，全部选对得4 分，只选一个且正确的得2 分，有选错或不答的得0分。13下图为细胞间信息传递的几种模式示意图，下列分析错误的是A若细胞产生的激素是胰高血糖素，则靶细胞主要是肝细胞B若细胞产生的激素是促甲状腺激素释放激素，则靶细胞是垂体C若细胞受到刺激产生兴奋，兴奋部位膜内电位的变化是由正电位变为负电位D若靶细胞是被病毒入侵的宿主细胞，将可能受到来自血液的效应B细胞的攻击14下列关于生态学原理的叙述，正确的是A生态系统的物质循环是指组成生物体的化合物在生物群落与无机环境之间的循环流动B发生“生物入侵”时，外来物种的种群在新环境中一定呈“J”型增长C以虫治虫、以菌治虫，减
14、少甚至不使用农药，有利于保护生态环境D赤潮的产生与富含无机盐的各种废水大量排入海洋密切相关15.右图为生态系统中碳循环的模式图。下列叙述正确的是A代表生产者，可以代表化能合成作用 B 在食物链中占有碳元素最多的营养级可能是C碳元素在、间以含碳有机物的形式传递D碳元素以CO2的形式在所组成的群落和无机环境之间进行循环文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5
15、G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档
16、编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5
17、G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档
18、编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5
19、G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档
20、编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U14 16右图示种群在理想环境中呈“J”型增长
21、，在有环境阻力条件下，呈“S”型增长，下列有关种群数量增长曲线的叙述中不正确的是A种群增长过程中出现环境阻力是在d 点之后B渔业捕捞后需控制剩余量在b点后C当种群数量到达e 点后，增长率为0 D阻止蝗虫数量增长应在害虫数量达到c 点后才进行第卷非选择题三、非选择题：本大题共5 小题，共60 分。17.（12 分）下图是人体内某些免疫细胞的分化和免疫过程，数字表示过程，字母表示细胞，请回答有关问题。（1）造血干细胞形成各种血细胞需要经历细胞的和 _过程。图中 b 指的是成熟的 _细胞。（2）图中 a 是细胞。在过程中，a 细胞发挥的作用是抗原，并将抗原给 b 细胞。（3）图中过程属于_免疫。与过
22、程相比，过程的应答反应特点是。（4）c 细胞识别抗原而被致敏，它需要活化的b 细胞分泌 _，促进其分裂分化产生_和_。（5）若该抗原为HIV，侵入人体后，攻击的主要对象是上图中的_（填图中字母）细胞，最终会使人丧失一切免疫功能。18（10 分）下丘脑在人体生理调节过程中发挥着重要作用。请据图回答问题（甲、乙、丙、丁为人体内某种结构或细胞，A、B、C、D为调节物质）：d e 抗体抗原c 胸腺a b 造血干细胞骨髓抗原抗体时间种群数量文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编
23、码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G
24、8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编
25、码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G
26、8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编
27、码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G
28、8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编
29、码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U15（1）图中下丘脑参与的生理调节方式有，当人体处于寒冷环境中，物质（填字母）在血液中的含量明显升高，其作用是促进新陈代谢，从而增加机体的量。（2）图中物质B和 C依次是、；如果图中部位受损，会使人患糖尿病。（3）在血糖浓度调节过程中，图中可表现为协同作用的物质是（填字母）。（4）下丘脑除参与图示调节过程外，还能分泌，由甲释放到血液中，调节人体内水的平衡。（5）当血液中激素A 的含量过高时，会对下丘脑和甲的分泌活动起作用，这种调节机制称为。19（12 分）下图表示某草地，课外小组的同学对此处部分植物的种群密度连续进行了五年
30、的调查，结果如下表所示（单位：株/m2）：（1）本调查采用的方法是；取样的关键除应考虑样方的大小和数量外，还应注意；种群密度的计算方法是。（2）豚草与其它植物相互争夺，它们之间的种间关系是。调查结果表明，具有生存优势，根据自然选择学说，这种优势是通过来实现的。（3）若豚草种群的起始数量为N0，第二年的数量是年份种名2001 2002 2003 2004 2005 豚草0.3 0.6 1.1 1.5 2.3 狗尾草10.0 9.2 8 6.8 5.5 曼陀罗3.0 2.1 1.1 0.3 0.1 龙葵3.0 2.0 0.4 0 0 灰绿藜3.2 2.8 1.7 1.3 0.6 有关神经有关神经有
31、关神经下丘脑血糖浓度升高血糖浓度降低织器官相关组肾上腺髓质文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE
32、1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U
33、1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE
34、1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U
35、1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE
36、1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U
37、1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U16 第一年的 倍,则在理想条件下，t 年后种群的数量可以表示为：。（4）请在右图中绘出豚草和灰绿藜种群密度的变化曲线。（5）豚草的花粉可引起某些人呼吸道过敏反应（过敏性鼻炎、支气管哮喘）。医学上认为，过敏反应是指已免疫的机体刺激所发生的反应。20.（11 分）下图甲为某湖泊生态系统的能量金字塔简图，其
38、中I、分别代表不同的营养级，m1、m2代表不同的能量形式。图乙表示能量流经该生态系统某一营养级的变化示意图，其中ag 表示能量值的多少。请据图作答：（1）图甲中，m1、m2表示的能量形式分别为、。通常情况下，位于营养级的生物个体数量一般远远少于，主要原因是。（2）图 乙 中，若A 表 示 图 甲 中 营 养 级II所 摄 入 的 全 部 能 量，则B表示，C表示。若图甲中营养级I所 固 定 的 太 阳 能 总 量 为y，由 营 养 级I、间 的 能 量 传 递 效 率是（用所给字母的表达式表示）。（3）由图乙可以总结出生态系统能量流动的主要特点是。（4）若图甲中营养级、各有一种生物甲、乙、丙，
39、构成食物关系如右图所示。如果丙所需的能量有1/2 直接来自甲，则要使丙能量增加24kJ，至少需要消耗甲的能量为kJ。21.（15 分）植物的生长发育是由多种激素相互协调、共同调节的。下表是植物不同部位各种激素的相对浓度，请分析回答：图甲甲乙丙e c f g D d 散失C F E A B a b 散失图乙种群密度株m-2文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM
40、2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U
41、1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM
42、2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U
43、1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM
44、2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U
45、1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U17 部位激素的相对浓度生长素赤霉素细胞
46、分裂素脱落酸茎尖+-幼叶+-伸长茎+-侧芽+-成熟叶+-+表示含量高；+表示含量中等；+表示含量低；-表示无（1）目前公认的植物激素共有五大类，除上表中的四大类外，植物体内还有一类植物激素，其名称是，该激素的主要作用是。（2）从 茎 尖 和 伸 长 茎 中 各 种 激 素 的 含 量 看，生 长 素 和 赤 霉 素 是 主 要 通 过 促 进 细 胞的，从而促进植物的生长；细胞分裂素主要是通过促进细胞的，从而促进植物的生长。（3）通过进一步的研究得知，细胞分裂素可通过抑制叶绿素、核酸和蛋白质的降解，从而抑制叶片衰老。为了证明细胞分裂素有延缓叶片衰老的作用，科学家设计了以下实验，请你完善相关步骤
47、，并分析实验结果。实验原理：因叶绿素的逐渐降解而导致叶片失绿变黄是叶片衰老的最显著特点，因此，可通过用来处理新鲜的离体叶片，记录叶片失绿变黄所需的时间来证明。实验步骤：第一步：选取同种植物、的叶片随机分成两组，分别标记为甲组、乙组。第二步：_，在乙组叶片的相同位置涂等量的蒸馏水。第三步：甲、乙两组叶片失绿变黄所需的时间。实验结果预测：_。实验结论：_。文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编
48、码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G
49、8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编
50、码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G8A1U2 ZE1A6A8G8U1文档编码:CL5K2U1X5F9 HM2H5G