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蚯蚓为什么要生活在土里
更新时间: 2020-09-15 00:00:00  

蚯蚓是环节动物,没有呼吸系统,靠吸取泥土中的水生和养分生存.

1、喜温怕冷热性

2、 喜湿怕浸性

3、喜暗怕光性

4、喜甜怕辣性

5、喜静怕震性

6、喜酸怕盐性

关键词: 蚯蚓 为什么 生活

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