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1、名师精编优秀教案2.4.2 生物的分类单位一、教学目标1、说出生物的分类等级以及生物分类的基本单位。2、尝试鉴别生物二、课时安排1 课时三、教学重点说出生物的分类单位四、教学难点尝试鉴别生物五、教学过程（一）导入新课1、什么是生物的分类？2、分类的目的是什么呢？3、生物分类的依据是什么呢？上节课我们对一些生物进行了分类，不同的小组有不同的分类方法。地球上的生物种类繁多，数不胜数，科学家们又是如何对其进行分类的呢？这节课我们就一起来学习 生物的分类单位。（二）讲授新课探究：生物分类的单位阅读教材 127 129 页的文字资料。思考：名师精编优秀教案1.生物分类的单位？2.生物分类的依据？3.生物
2、分类的意义？（三）知识运用1生物分类的等级从大到小依次是_、门、_、目、_、属、种等级越大，所包含的生物之间的共同特征越_（多/少），两种生物之间共同拥有的分类等级单位越多，它们之间的亲缘关系越_（远/近）2下列有关“种”的叙述，正确的是（）A每一个物种只有一种生物B一个物种就是一个生物C同种生物的亲缘关系最远D同种生物的共同特征最少（四）归纳小结1.分类单位分类单位：界、门、纲、目、科、属、种。分类单位的关系：种是基本单位，界中包含生物种类最多。2.分类的意义：更加准确的确定生物之间的进化和亲缘关系。（五）随堂检测1生物分类由大到小的等级依次是（）A界、门、纲、目、科、属、种文档编码:CD2
3、Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5
4、 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2
5、Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5
6、 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2
7、Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5
8、 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2
9、Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8名师精编优秀教案B种、属、科、目、纲、门、界C界、纲、门、科、目、属、种D种、科、纲、属、目、门、界2下面关于生物分类的叙述，正确的是（）A生物分类单位从大到小依次是：界、门、纲、科、目、属、种B分类单位越大，所包含的生物亲缘关系越近C分类单位越小，所包含的生物种类越少D动物和植物的分类都以生理功能为主要依据3关于生物分类单位的叙述错误的是（）A种是最基本的分类单位B分类单
10、位越大，生物之间的共同特征越多C界是最大的分类单位D对绿色开花植物进行分类的重要依据是花、果实和种子六、板书设计第四章生物的分类第二节生物分类的单位1.分类单位分类单位：界、门、纲、目、科、属、种。分类单位的关系：种是基本单位，界中包含生物种类最多。2.分类的意义：更加准确的确定生物之间的进化和亲缘关系。文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N
11、5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD
12、2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N
13、5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD
14、2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N
15、5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD
16、2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8名师精编优秀教案七、作业布置将下列动物按要求分类：鲸
17、鹰猩猩蟾蜍鳄鱼大鲵鲨鱼蜘蛛沙蚕（1）生物分类中最基本的单位是_（2）我们可以根据动物体内有无_，将上述动物分成两组：脊椎动物和无脊椎动物（3）属于两栖动物的是_（横线上填序号）八、教学反思文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:C
18、D2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2
19、N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:C
20、D2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2
21、N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:C
22、D2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8文档编码:CD2Z3T8G9U6 HC2S6B1T2N5 ZZ3U5P4Y9E8