第一节生物的基本特征2.ppt

* * Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 生物具有生命 生物:凡是有生命的物体 生物学:研究生命现象和生 命活动规律的科学 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 第一单元 奇妙的生命现象 第一章 认识生命现象 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 生物与非生物的区别是什么? 生物具有生命 生物 植物 动物 微生物 银杏树 东北虎 啄木鸟 中华鲟 大肠杆菌 非生物 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 人排尿是生物现象？ Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 人吃食物是生命现象？ Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 下列不属于生命现象的是 ①花落知多少 ②水往低处流 ③气象卫星绕地球运动 ④海浪拍打堤岸 ⑤小鸡破壳而出 ⑥蜘蛛结网捕虫 ⑦晰蜴断尾，逃避敌害 ⑧黄牛生下一头黑牛 ②③④ Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 第一节 生物的基本特征 这些生命现象有什么共同特征？ Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 学习目标 理解生物共有的六大生物基本特征。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 导学题 1.生物共有哪些基本特征？ 2.课本4页插图中“鲸浮出水面呼吸”、“松鼠摄取食物”和”“人汗液排出”分别属于哪种生物的基本特征？ 3.其他几幅分别属于哪种生物的基本特征？ Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 新陈代谢指 举例 吸气、呼气 吃饭、喝水 排汗、排尿 植物吸收水分和养料 植物的光合作用 等 生物不断地从外界摄取营养物质 获得能量，并不断地向外界排出 体内的废物。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose