北师大版（初中一年级）七年级生物上册全套PPT课件.pptx

PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;陆地生态系统;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;第二节;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;在某草原，影响牛生活的因素有很;PowerPoint演示文稿;PowerPoint演示文稿;生物因素对生物的影响;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;寄生;PowerPoint演示文稿;PowerPoint演示文稿;种内斗争;生物对环境的适应;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;课后练习;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;实验1：从一个蛇洞里拖出一只被;PowerPoint演示文稿;PowerPoint演示文稿;实验1：观察到响尾蛇的头缓慢地;由实验1和实验2的结果看，只有;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;1．响尾蛇能对哪种猎物进行追寻;3．研究响尾蛇捕食老鼠的实验设;4．鼠妇生活的环境是(;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;二、显微镜的结构和功能;电子显微镜;PowerPoint演示文稿;目镜;物镜;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;载物台;镜座;镜柱;镜臂;粗准焦螺旋;细准焦螺旋;镜筒;转换器;压片夹;通光孔;遮光器;反光镜;PowerPoint演示文稿;PowerPoint演示文稿;显微镜的使用步骤;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;北师大版七年级上册《生物学》主;PowerPoint演示文稿;PowerPoint演示文稿;第2节细胞是生命活动的单位返;1.以草履虫、变形虫为例，描述;PowerPoint演示文稿;思考：;PowerPoint演示文稿;思考：;PowerPoint