下列关于生物基本特征的描述正确的是a.生物体可以通过复杂的调节活动来维持内环境的相对稳定b.反射是动植物体对内外环境做出的规律性反应c.病毒被 Template




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tomski下列关于生物基本特征的描述正确的是a.生物体可以通过复杂的调节活动来维持内环境的相对稳定b.反射是动植物体对内外环境做出的规律性反应c.病毒被 coloring