鱼需不需要氧气?急,好的加分.某同学为了探究鱼的呼吸是否需要氧气,设计了如下实验:两个金鱼缸中,甲放有水草(水草在阳关照下产生氧气),乙没放水草,把两个金鱼缸置于有阳光的
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 20:38:13
![鱼需不需要氧气?急,好的加分.某同学为了探究鱼的呼吸是否需要氧气,设计了如下实验:两个金鱼缸中,甲放有水草(水草在阳关照下产生氧气),乙没放水草,把两个金鱼缸置于有阳光的](/uploads/image/z/3548612-20-2.jpg?t=%E9%B1%BC%E9%9C%80%E4%B8%8D%E9%9C%80%E8%A6%81%E6%B0%A7%E6%B0%94%3F%E6%80%A5%2C%E5%A5%BD%E7%9A%84%E5%8A%A0%E5%88%86.%E6%9F%90%E5%90%8C%E5%AD%A6%E4%B8%BA%E4%BA%86%E6%8E%A2%E7%A9%B6%E9%B1%BC%E7%9A%84%E5%91%BC%E5%90%B8%E6%98%AF%E5%90%A6%E9%9C%80%E8%A6%81%E6%B0%A7%E6%B0%94%EF%BC%8C%E8%AE%BE%E8%AE%A1%E4%BA%86%E5%A6%82%E4%B8%8B%E5%AE%9E%E9%AA%8C%EF%BC%9A%E4%B8%A4%E4%B8%AA%E9%87%91%E9%B1%BC%E7%BC%B8%E4%B8%AD%EF%BC%8C%E7%94%B2%E6%94%BE%E6%9C%89%E6%B0%B4%E8%8D%89%EF%BC%88%E6%B0%B4%E8%8D%89%E5%9C%A8%E9%98%B3%E5%85%B3%E7%85%A7%E4%B8%8B%E4%BA%A7%E7%94%9F%E6%B0%A7%E6%B0%94%EF%BC%89%EF%BC%8C%E4%B9%99%E6%B2%A1%E6%94%BE%E6%B0%B4%E8%8D%89%EF%BC%8C%E6%8A%8A%E4%B8%A4%E4%B8%AA%E9%87%91%E9%B1%BC%E7%BC%B8%E7%BD%AE%E4%BA%8E%E6%9C%89%E9%98%B3%E5%85%89%E7%9A%84)
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