下图是某同学所绘的、病毒、细菌、酵母菌和草履虫五种生物,但忘记标注它们的名称了。 (1)将这五种生物的名称填入相关序号后的空格中。 ① ② ③ ④ ⑤ (2)上述生物没有细胞结构的是 。它由____________和___________两部分构成。 (3)②生物与①生物主要区别是 。 (4)②生物繁殖后代的方式是___________.在恶劣环境下能形成___________.①主要靠产生 繁殖后代。人类日常生活中对它的应用有_________________________.
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