[高一生物必修1生物的个体发育.ppt

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2017-01-08 发布于北京
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[高一生物必修1生物的个体发育.ppt

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[高一生物必修1生物的个体发育

生物的个体发育 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. 个体发育：受精卵经过细胞分裂、组织分化和器官形成，直到发育成性成熟的个体。１、个体发育的起点、止点是什么？２、发育过程中细胞分裂属何种分裂方式？问题探索： 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. 雄蕊雌蕊 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. 柱头花柱子房胚珠子房壁胚囊珠被 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. 被子植物精子和卵细胞的形成：１、精子的形成：减分有分雄蕊花粉母细胞小孢子精子（２个）（ 2N ）（ N ）（ N ）２、卵细胞的形成：减分有分卵细胞（N ）雌蕊：大胞子母细胞大胞子极核（N）（2N）（N）其他五个细胞 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. 花粉粒花粉管两个精子 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. 顶细胞基细胞胚柄子叶胚芽