论文部分内容阅读
在生物教学中,水螅是进行活体动物观察实验中常用的动物之一。水螅存在广泛,便于采集和培养。在采集和培养水螅时,注意以下几个问题。
In biology teaching, Minamata is one of the commonly used animals in observation experiments in living animals. There is a wide range of leeches that facilitate collection and culture. When collecting and cultivating leeches, pay attention to the following issues.