草履虫的细胞结构
草履虫的细胞结构
生物人气：655 ℃时间：2019-10-24 01:32:06
优质解答
草履虫的分类 草履虫属于纤毛纲,膜口目,草履虫科.世界上已经报导过的草履虫有22种.我国常见种至少有下述几种.1．大草履虫 又叫尾草履虫,长180—280微米,后端圆锥形,锥顶角度约45至60度.两个伸缩泡均有收集管.有小核...
我来回答
类似推荐
猜你喜欢
- 1某烃A0.2mol在氧气中完全燃烧后,生成化合物B、C各1.2mol.试回答：（1）烃A的分子式为________________.
- 2The mother didn't know who to blame for the broken glass as it happened while she was out.
- 3我国第一位女史学家
- 4joan bursted into tears when she heard the bad news为什么把bursted改成burst.这句话怎么翻译
- 5I don't know the man____ ther're talking about
- 6can i have some writing paper?同义句转换___give me so
- 7已知:X平方+根号3Y=根号5,Y平方+根号3X=根号5,且X不等于Y,求X分之Y+Y分之X的值.
- 8一项工程，甲队单独做要4天完成，乙队单独做要6天完成，现在先由甲队单独做了2天后，乙队也参加工作，完成任务时甲队共做了多少天？
- 9It rains hard.People can hardly go hiking in the mountains.怎么翻译?
- 10她经常和朋友们一起看电影英语怎么说