人教版生物七年级上册知识点(复习提纲)

目录

第一单元 生物和生物圈

1、第一章 认识生物·····························································3

1.1、第一节 生物的特征·························································3

1.2、第二节 调查我们身边的生物·················································3

2、第二章 生物圈是所有生物的家················································3

2.1、第一节 生物圈····························································3

2.2、第二节 环境对生物的影响··················································3

2.3、第三节 生物对环境的适应和影响············································3

2.4、第四节 生态环境··························································4

2.5、第五节 生物圈是最大的生态系统············································5

第二单元 生物和细胞

1、第一章 观察细胞的结构······················································6

1.1、第一节 练习使用显微镜····················································6

1.2、第二节 观察植物细胞······················································6

1.3、第三节 观察动物细胞······················································7

2、第二章 细胞的生活·························································8

2.1、第一节 细胞的生活需要物质和能量··········································8

2.2、第二节 细胞核是遗传信息库················································8

2.3、第三节 细胞通过分裂产生新细胞············································8

3、第三章 细胞怎样构成生物体··········