随着水污染的日益严重,作为水生食物链中重要一环的原生动物,愈来愈受到重视,用原生动物作毒性试验的报道也逐年在增多。 利用原生动物作为毒性试验材料具有许多优点:作为单细胞生物它与周围介质能够充分接触,与多细胞生物相比,对毒物的反应一般更 As water pollution becomes more and more serious, protozoa, as an important part of the aquatic food chain, are receiving more and more attention. The reports of protozoan toxicity tests have been increasing year by year. The use of protozoa as a material for toxicity testing has many advantages: as a unicellular organism it has sufficient contact with the surrounding media, and the response to poisons is generally more pronounced than with multicellular organisms