It is found that the fecundity of paramecium and the energy of enzyme descend with the increasing of density of CdCl2after dealing with paramecium by CdCl2of different density.

• 在用不同浓度氯化镉处理草履虫后发现,草履虫的繁殖能力和过氧化物酶的活性会随氯化镉浓度的增大而明显下降。